Scripture is a book about going to Heaven. It's not a book about how the heavens go.

The laws of nature are written by the hand of God in the language of mathematics.

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

Being infinitely amazed, so do I give thanks to God, Who has been pleased to make me the first observer of marvelous things, unrevealed to bygone ages.

One can understand nature only when one has learned the language and the signs in which it speaks to us; but this language is mathematics and these signs are methematical figures.

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

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