Perspective is a most subtle discovery in mathematical studies, for by means of lines it causes to appear distant that which is near, and large that which is small.

I shall do down in history as the man who opened a door!

Whoever despises the high wisdom of mathematics nourishes himself on delusion and will never still the sophistic sciences whose only product is an eternal uproar.

The discovery of a good wine is increasingly better for mankind than the discovery of a new star.

My body will not be a tomb for other creatures.

I am not to blame for putting forward, in the course of my work on science, any general rule derived from a previous conclusion.

A life well used procures a happy death.