It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.
People who know little are usually great talkers, while men who know much say little.
We should not teach children the sciences; but give them a taste for them.
The person who has lived the most is not the one with the most years but the one with the richest experiences.
The training of children is a profession, where we must know how to waste time in order to save it.
Every man has a right to risk his own life for the preservation of it.
