He who has art and science also has religion, but those who do not have them better have religion.

Our wishes are presentiments of the abilities that lie in us, harbingers of what we will be able to accomplish.

Do not, I beg you, look for anything behind phenomena. They are themselves their own lesson.

The Evil One has left, the evil ones remain.

Aptitudes are assumed, they should become accomplishments. That is the purpose of all education.

There are men who never err, because they never propose anything rational.

Unlike grown ups, children have little need to deceive themselves.