Isaac Asimov Quotes

Truth does not demand belief. Scientists do not join hands every Sunday, singing, yes, gravity is real! I will have faith! I will be strong! I believe in my heart that what goes up, up, up must come down, down. down. Amen! If they did, we would think they were pretty insecure about it.

Facts are not truths; they are not conclusions; they are not even premises, but in the nature and parts of premises.

The second advantage claimed for naturalism is that it is equivalent to rationality, because it assumes a model of reality in which all events are in principle accessible to scientific investigation.

In nature, when you conduct science, it is the natural world that is the ultimate decider in what is true and what is not.

Doubt the conventional wisdom unless you can verify it with reason and experiment.

When I would hear the rabbi tell about some miracle such as a bush whose leaves were shaking but there wasn't any wind, I would try to fit the miracle into the real world and explain it in terms of natural phenomena.

Understanding truth is the primary objective of science, not doing good for the world.

If you're living with a scientist, you see the world differently than you do with a humanist. It's in some ways very subtle, the differences in perceiving reality.

We are certainly not to relinquish the evidence of experiments for the sake of dreams and vain fictions of our own devising; nor are we to recede from the analogy of Nature, which is wont to be simple and always consonant to itself.

Science is true, whether you believe it or not.

In fact, scientific results are a careful attempt to objectively measure reality, and although they may be refined over time, they are always our best hope of getting at the truth.

'There's no need for fiction in medicine,' remarks Foster... 'for the facts will always beat anything you fancy.'

Your life must focus on the maximization of objectivity.

Thus we should beware of clinging to vulgar opinions, and judge things by reason's way, not by popular say.

What I’m saying is, when different experiments give you the same result, it is no longer subject to your opinion. That’s the good thing about science: It’s true whether or not you believe in it. That’s why it works.

Feelings are not everything! There is very little absolute truth in life.

Scientific truth is universal, because it is only discovered by the human brain and not made by it, as art is.

To avoid being drawn into error, keep a firm grip on the truth.

Before anything can be reasoned upon to a conclusion, certain facts, principles, or data, to reason from, must be established, admitted, or denied.

Scientific, like spiritual truth, has ever from the beginning been descending from heaven to man.

[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science.

I want to discover a truth for myself that is really true. Whether it's a piece of scientific knowledge, or a philosophical truth.

I don't believe in astrology. It's a lot of crap. I just think that's another thing you should throw out the window. Mysticism. Cheap. It's amazing that people still hang on to that after all these years.

Truth is the recognition of reality; reason, man's only means of knowledge, is his only standard of truth.

Science, unlike theology, never leads to insanity.