It is surely harmful to souls to make it a heresy to believe what is proved.

Quote by Galileo Galilei

Topics: Galileo Galilei Quotes

You cannot teach a man anything; you can only help him discover it in himself

You cannot teach a man anything; you can only help him discover it in himself

I wish, my dear Kepler, that we could have a good laugh together at the...

I wish, my dear Kepler, that we could have a good laugh together at the...

Measure what is measurable, and make measurable what is not so.

Measure what is measurable, and make measurable what is not so.

The Milky Way is nothing else but a mass of innumerable stars planted together in...

The Milky Way is nothing else but a mass of innumerable stars planted together in...

All truths are easy to understand once they are discovered; the point is to discover...

All truths are easy to understand once they are discovered; the point is to discover...

Doubt is the father of invention.

Doubt is the father of invention.

I think that in the discussion of natural problems we ought to begin not with...

I think that in the discussion of natural problems we ought to begin not with...

Facts which at first seem improbable will, even on scant explanation, drop the cloak which...

Facts which at first seem improbable will, even on scant explanation, drop the cloak which...

In questions of science, the authority of a thousand is not worth the humble reasoning...

In questions of science, the authority of a thousand is not worth the humble reasoning...

I do not feel obliged to believe that the same God who has endowed us...

I do not feel obliged to believe that the same God who has endowed us...

I have never met a man so ignorant that I couldn't learn something from him.

I have never met a man so ignorant that I couldn't learn something from him.

By denying scientific principles, one may maintain any paradox.

By denying scientific principles, one may maintain any paradox.

We must say that there are as many squares as there are numbers.

We must say that there are as many squares as there are numbers.

They know that it is human nature to take up causes whereby a man may...

They know that it is human nature to take up causes whereby a man may...

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons...

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons...

Facts which at first seem improbable will, even on scant explanation, drop the cloak which...

Facts which at first seem improbable will, even on scant explanation, drop the cloak which...

I do not feel obliged to believe that the same God who endowed us with...

I do not feel obliged to believe that the same God who endowed us with...

The Bible shows the way to go to heaven, not the way the heavens go.

The Bible shows the way to go to heaven, not the way the heavens go.

I've loved the stars too fondly to be fearful of the night.

I've loved the stars too fondly to be fearful of the night.

We cannot teach people anything; we can only help them discover it within themselves.

We cannot teach people anything; we can only help them discover it within themselves.