---
title: "2 Believe Evidence Quotes By Isaac Asimov"
description: "2 Believe Evidence quotes by Isaac Asimov. Plus more from Isaac Asimov and more Believe Evidence sayings from other authors."
image: "https://sms4smile.com/quotes/i/f88/isaac-asimov-309_evidence_don-t-you-believe-in-flying-saucers-they_1588388.jpg"
---

> [“Don't you believe in flying saucers, they ask me? Don't you believe in telepathy? — in ancient astronauts? — in the Bermuda triangle? — in life after death? No, I reply. No, no, no, no, and again no. One person…](https://sms4smile.com/quotes/isaac-asimov/don-t-you-believe-in-flying-saucers-they-ask-me-don-t-you-believe-in/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

[Image](https://sms4smile.com/quotes/i/f88/isaac-asimov-309_evidence_don-t-you-believe-in-flying-saucers-they_1588388.jpg)

> [I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it. The wilder and more ridiculous something is, however, the firmer…](https://sms4smile.com/quotes/isaac-asimov/i-believe-in-evidence-i-believe-in-observation-measurement-and/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

[Image](https://sms4smile.com/quotes/i/e3f/isaac-asimov-309_belief_i-believe-in-evidence-i-believe-in-obser_2412252.jpg)

## More by Isaac Asimov

> [The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that…](https://sms4smile.com/quotes/isaac-asimov/the-strain-of-anti-intellectualism-has-been-a-constant-thread-winding/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [Suppose that we are wise enough to learn and know-and yet not wise enough to control our learning and knowledge, so that we use…](https://sms4smile.com/quotes/isaac-asimov/suppose-that-we-are-wise-enough-to-learn-and-know-and-yet-not-wise/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [Uncertainty that comes from knowledge (knowing what you don't know) is different from uncertainty coming from ignorance.](https://sms4smile.com/quotes/isaac-asimov/uncertainty-that-comes-from-knowledge-knowing-what-you-don-t-know-is/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“Don't you see? It's Galaxy-wide. It's a worship of the past. It's a deterioration - a stagnation!”](https://sms4smile.com/quotes/isaac-asimov/don-t-you-see-it-s-galaxy-wide-it-s-a-worship-of-the-past-it-s-a/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe.](https://sms4smile.com/quotes/isaac-asimov/so-the-universe-is-not-quite-as-you-thought-it-was-you-d-better/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [It is in meeting the great tests that mankind can most successfully rise to great heights. Out of danger and restless insecurity comes the…](https://sms4smile.com/quotes/isaac-asimov/it-is-in-meeting-the-great-tests-that-mankind-can-most-successfully/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“It might seem to you, Peter, that a truck driver, one step above an ape in your view, can't remember. But truck drivers can…](https://sms4smile.com/quotes/isaac-asimov/it-might-seem-to-you-peter-that-a-truck-driver-one-step-above-an-ape/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [When life is so harsh that a man loses all hope in himself, then he raises his eyes to a shining rock, worshipping it,…](https://sms4smile.com/quotes/isaac-asimov/when-life-is-so-harsh-that-a-man-loses-all-hope-in-himself-then-he/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“You are a military man and should know better. If there is one science into which man has probed continuously and successfully, it is…](https://sms4smile.com/quotes/isaac-asimov/you-are-a-military-man-and-should-know-better-if-there-is-one-science/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“temperatura constante de mais ou menos 21 graus”](https://sms4smile.com/quotes/isaac-asimov/temperatura-constante-de-mais-ou-menos-21-graus/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“Human beings can tolerate an immortal robot, for it doesn't matter how long a machine lasts, but they cannot tolerate an immortal human being…](https://sms4smile.com/quotes/isaac-asimov/human-beings-can-tolerate-an-immortal-robot-for-it-doesn-t-matter-how/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [“if people believe this, they would act on that belief. Many a prophecy, by the mere force of its being believed, is transmuted”](https://sms4smile.com/quotes/isaac-asimov/if-people-believe-this-they-would-act-on-that-belief-many-a-prophecy/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [I do not use airplanes. They strike me as unsporting. You can have an automobile accident-and survive. You can be on a sinking ship-and…](https://sms4smile.com/quotes/isaac-asimov/i-do-not-use-airplanes-they-strike-me-as-unsporting-you-can-have-an/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [There are many aspects of the universe that still cannot be explained satisfactorily by science; but ignorance implies only ignorance that may someday be…](https://sms4smile.com/quotes/isaac-asimov/there-are-many-aspects-of-the-universe-that-still-cannot-be-explained/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

> [A robot must obey the orders given it by human beings except where such orders would conflict with the First Law. \[The Second Law…](https://sms4smile.com/quotes/isaac-asimov/a-robot-must-obey-the-orders-given-it-by-human-beings-except-where/)

[Isaac Asimov](https://sms4smile.com/quotes/author/isaac-asimov/)

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