The safest course is to do nothing against one's conscience. With this secret, we can enjoy life and have no fear from death.

What is madness? To have erroneous perceptions and to reason correctly from them.

I am a little deaf, a little blind, a little important and on top of this are two or three abominable infirmities, but nothing destroys my hope.

Self love is the instrument of our preservation.

A fool is a person who guesses and gets it wrong, a clever man is one who guesses, regardless of time period, and gets it right.

A multitude of laws in a country is like a great number of physicians, a sign of weakness and malady.

Be bold, proclaim it everywhere: They only live who dare.