Look for knowledge not in books but in things themselves.

Philosophy is for the few.

If you wish in this world to advance your merits you're bound to enhance; you must stir it and stump it, and blow your own trumpet, or, trust me, you haven't a chance.

Look for knowledge not in books but in things themselves.

O that the gods would bring to a miserable end such fictitious, crazy, deformed labours, with which the minds of the studious are blinded!

A lodestone is a wonderful thing in very many experiments, and like living things. And one of its remarkable virtues in that which the ancients considered to be a living soul in the sky, in the globes and in the stars, in the sun and in the moon.

Humor is a drug which it's the fashion to abuse.