assumption quotes

Today, I want to share with you the best assumption quotes. Every day, we make tons of assumptions, and most of the time, they’re false.


Here’s a good example:


A few weeks ago, I was talking to a coach, and I was telling him I had started to help expatriates and young professionals working in international organizations optimize their potential. His first question was: what is an expatriate? I must say, I was really surprised, not so much by his question, but more because something that was so obvious to me was not so obvious to him and therefore also not obvious to other people. 


I told him that an expatriate (or expat) is a person who lives temporarily or permanently in a country other than their native country. 
So I wondered: how often do we say things we assume others understand? 


My tip to you, especially if you work with an international audience, is to make sure you use simple words and known expressions.


And if you use abbreviations, make sure you spell them out to avoid confusion and bring clarity. 


That way, you may teach something new to someone, but you’ll also ensure everybody understands your message.


All right, here are my favorite assumption quotes out there.

25 famous assumption quotes


assumption quotesThese are probably the best assumption quotes out there. They’re popular and widely used.

Chances are you’ve probably heard of them before.


“In the absence of information, we jump to the worst conclusions.” — Myra Kassim.


“Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.” — Marcus Aurelius.


“Nobody can understand the way you’re feeling unless they burn the way you burned.” — Rihanna.


“Always assume your assumptions about others are wrong. Because often, they are.” — Savania China


“If you assume that the new — and simply because it’s new — is always to be better than the old, chances are you’ve never known anything valuable.” — Criss Jami, Healology


“The assumption that humans could be a reliable back up for the system was a fallacy!” — Astro Teller.


“Leaders don’t assume. Assumptions are the termites of leadership.”― Farshad Asl.


“The hardest assumption to challenge is the one you don’t even know you are making.” — Douglas Adams.


“If you start a conversation with the assumption that you are right or that you must win, obviously it is difficult to talk.” — Wendell Berry.


“Assumptions should never be the basis of any understanding.” — Steven Redhead.


“The assumption that what currently exists must necessarily exist is the acid that corrodes all visionary thinking.” — Murray Bookchin.


“One of the biggest assumptions we make is that the lies we believe are the truth!” — Miguel Angel Ruiz.


“Some crazy man came up to me and started screaming at me about how he hated Allah, and before I could tell him that my family was part of the Catholic Church in India, he knifed me.” — Eric Jerome Dickey.


“Your assumptions are always wrong. Even a one rupee coin has two sides.”― Allan Bridjith.


“ We make the assumption that everyone sees life the way we do.” — Miguel Angel Ruiz.


“To assume is to believe something without evidence or proof.”–Miguel Angel Ruiz.


“Be careful of what you assume. What you assume often becomes what you consume.” — Constance Friday.


“Never assume the obvious is true.” — William Safire.


“The assumption of perfect knowledge is very far from reality. A lot of the evil in the world is actually not intentional.” — George Soros.


“Spirituality is not adopting more beliefs and assumptions but uncovering the best in you.” — Amit Ray.


“New ideas can be supremely bad ideas, and by the time people realize how bad they are, it is sometimes difficult to get rid of them.” — Alister E. McGrath.


“But you are making assumptions without all the facts, and that’s not a sign of intelligence.”― C.C. Hunter, ‘Born at Midnight,’ 2011.


“Assuming less does not make you naïve, it makes you a better listener.”― Terry A O’Neal.


“The assumption that seeing is believing makes us susceptible to visual deceptions.”―Kathleen Hall Jamieson.


“Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.”― Brian Tracy.


25 Funny assumption quotes you’ll love


assumption quotes“Your silent treatment is a silent treat. Thanks.”


“An assumption is the joke; truth the punchline.”


“There are two sides to every story, and then there are the screenshots.”


“Assumptions are what we don’t know we are making.”–Douglas Adams.


“Jumping to conclusions is not exactly exercise.”


“To those that judge others, I offer this prophetic advice: STOP IT!”– Dieter F. Uchtdorf


“Rumors! I found out so much about myself I didn’t even know!”


“Assuming things is the equivalent of sleepwalking blindfolded on a cliff edge fully expecting a safety net to be there to break the fall should you topple over the precipice.”― Stewart Stafford.


“Assumptions are the termites of relationships.” — Henry Winkler.


“Sometimes, you have to design from the gut. The funny thing about the gut is that rather than experience, the best UX designers I know operate from a perspective of determining what’s good, what’s bad, and what’s ugly.”— Ryan Freitas.


“And if you insist on continuing to make assumptions about my character, I’ll advise you only this: assume you will always be wrong.”― Tahereh Mafi, ‘Ignite Me’, 2014.


“First, you have stereotypes, and that will be the black drug dealer, the east Asian kung fu master, the Middle Eastern terrorist in ‘True Lies.’ Then you have stuff that takes place on culturally specific terrain, that engages with it, but actually subverts assumptions. ‘Smashes’ stereotypes. That’s where I’ve come into the game.” — Riz Ahmed.


“Assumptions are made and most assumptions are wrong.”- Albert Einstein.


“Begin challenging your own assumptions. Your assumptions are your Windows on the World. Scrub them off every once in a while, or the light won’t come in.” -Alan Alda.


“I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.”
― Abraham Maslow, Toward a Psychology of Being.


“It is useless to attempt to reason a man out of a thing he was never reasoned into.”― Jonathan Swift.


“When dealing with critics always remember this: Critics judge things based on what is outside of their content of understanding.”
― Shannon L. Alder.


“While you judge me by my outward appearance, I am silently doing the same to you, even though there’s a ninety-percent chance that in both cases our assumptions are wrong.” ― Richelle E. Goodrich, Smile Anyway: Quotes, Verse, and Grumblings for Every Day of the Year.


“If we worked on the assumption that what is accepted as true really is true, then there would be little hope for advance.”— Orville Wright.


“We never look beyond our assumptions and what’s worse, we have given up trying to meet others; we just meet ourselves.”
― Muriel Barbery.


“Be impeccable with your words; don’t take anything too personally; never make assumptions; and always do your best.”


“I dream of a better world where chickens can cross the road without having their motives questioned.”


“Assumption: it makes an ass out of you and me.”


“It’s funny how people know the least about you always have the most to say.”


“Assumption is the mother of all **** ups.”


21 dangerous assumption quotes


“Making assumptions simply means believing things are a certain way with little or no evidence that shows you are correct, and you can see at once how this can lead to terrible trouble.”― Lemony Snicket, ‘The Austere Academy’, 2000.


“By assuming we know how a curve continues beyond what we see, we will draw the wrong conclusions and come up with the wrong solutions.”― Hans Rosling, ‘Factfulness: Ten Reasons We’re Wrong About the World—And Why Things Are Better Than You Think’, 2018.


“Assumptions are unopened windows that foolish birds fly into, and their broken bodies are evidence gathered too late.”— Bryan Davis.


“It’s sad that we never get trained to leave assumptions behind.” — Sebastian Thrun.


“Rational discussion is useful only when there is a significant base of shared assumptions.” Noam Chomsky.


“How would your life be different if you stopped making negative judgmental assumptions about people you encounter? Let today be the day… You look for the good in everyone you meet and respect their journey.”— Steve Maraboli.


“People just assume, over the years, that soccer players are not too intelligent. As with most assumptions, they’re wrong.”— David Beckham.


“You must stick to your conviction, but be ready to abandon your assumptions.” — Denis Waitley.


“Society is based on the assumption that everyone is alike and no one is alive.”


“Ask questions; don’t make assumptions.” — Angela Ahrendts.


“When there is a problem, always identify and evaluate your underlying assumptions that may be contributing to the problem or preventing you from seeing the problem clearly.” — Elizabeth Thornton.


“You proceed from a false assumption: I have no ego to bruise.” — Leonard Nimoy.


“She decided to see if her life would change if she dropped the assumption she needed fixing.”


“Rarely have I witnessed assumptions turn into facts.”


“What a man believes may be ascertained, not from his creed, but from the assumptions on which he habitually acts.” — George Bernard Shaw.


“The assumption that nature is all there is, and that nature has been governed by the same rules at all times and places, makes it possible for natural science to be confident that it can explain such things as how life began.”—Phillip E. Johnson.


“Untested assumptions and lazy habits of thought can be shown up once put in a spotlight of a different hue.” — Julian Baggini.


“With a genre like film noir, everyone has these assumptions and expectations. And once all of those things are in place, that’s when you can really start to twist it about and mess around with it.” — Lana Wachowski.


“There is a widespread assumption that simply because my generation of women has the good fortune to live in a world touched by the feminist movement, that means everything we do is magically imbued with its agenda, but it doesn’t work that way.” — Ariel Levy.


“God is not a hypothesis derived from logical assumptions, but an immediate insight, self-evident as light. He is not something to be sought in the darkness with the light of reason. He is the light.” — Abraham Joshua Heschel


“The highest compliment one can give a writer is not to say that one wholeheartedly agrees with his observations, but that he provoked – really, forced – difficult thinking about consequential matters and internal questioning of one’s own assumptions, often without quick or clear resolution.” — Glenn Greenwald



We assume a great deal of stuff about people. Life would be that much better if we stopped making ridiculous assumptions. To assume is to fall into a trap. It causes drama and chaos. Things only go downhill from there.


Pick 1,2 or more of these assumption quotes, and stick them where you can see them every day to remind yourself how important it is to avoid assumptions. 


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