Many will think they may reasonably blame me by alleging that my proofs are opposed to the authority of certain men held in the highest reverence by their inexperienced judgments; not considering that my works are the issue of pure and simple experience.

simplicity is the best sophistication

The limiting surface of one thing is the beginning of another.

Inequality is the cause of all local movements.

Who would believe that so small a space could contain the images of all the universe?

Your brain is much better than you think; just use it!

Now do you not see that the eye embraces the beauty of the whole world? It counsels and corrects all the arts of mankind... it is the prince of mathematics, and the sciences founded on it are absolutely certain. It has measured the distances and sizes of the stars it has discovered the elements and their location... it has given birth to architecture and to perspective and to the divine art of painting.