We are born, so to speak, twice over; born into existence, and born into life; born a human being, and born a man.
Freedom is the power to choose our own chains
The man who meditates is a depraved animal.
Take the course opposite to custom and you will almost always do well.
General abstract truth is the most precious of all blessings; without it, man is blind; it is the eye of reason.
Take from the philosopher the pleasure of being heard and his desire for knowledge ceases.