Knowledge is power.

Good fame is like fire; when you have kindled you may easily preserve it; but if you extinguish it, you will not easily kindle it again.

If I might control the literature of the household, I would guarantee the well-being of Church and State.

Prosperity discovers vice, adversity discovers virtue.

It is a secret both in nature and state, that it is safer to change many things than one.

Mysteries are due to secrecy.

The study of nature with a view to works is engaged in by the mechanic, the mathematician, the physician, the alchemist, and the magician; but by all as things now are with slight endeavour and scanty success.