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

Quote by Galileo Galilei

Topics: Galileo Galilei Quotes

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...

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...

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.

It is very pious to say and prudent to affirm that the holy Bible can...

It is very pious to say and prudent to affirm that the holy Bible can...

It vexes me when they would constrain science by the authority of the Scriptures, and...

It vexes me when they would constrain science by the authority of the Scriptures, and...

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.

And who can doubt that it will lead to the worst disorders when minds created...

And who can doubt that it will lead to the worst disorders when minds created...

Philosophy is written in that great book which ever lies before our eyes ... We...

Philosophy is written in that great book which ever lies before our eyes ... We...

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

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

The sun, with all those planets revolving around it and dependent on it, can still...

The sun, with all those planets revolving around it and dependent on it, can still...

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...

Spots are on the surface of the solar body where they are produced and also...

Spots are on the surface of the solar body where they are produced and also...

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...

By denying scientific principles, one may maintain any paradox.

By denying scientific principles, one may maintain any paradox.

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...

Doubt is the father of invention.

Doubt is the father of invention.

If I were again beginning my studies, I would follow the advice of Plato and...

If I were again beginning my studies, I would follow the advice of Plato and...

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.

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...

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...