There is only one thing in the world that is really valuable, it is to do good..

The distinction between right and wrong ("la distinction du bien et du mal", Fr.), is nothing else than their unyielding (or implacable) opposition; ….

Experience shows that what great role pratice and experience play in education; pratice, the prolonged exercice lead to habit: exemple suggests imita….

It is to our lack of proper content ("notre manque de contenu propre:;», Fr.), of our inner emptiness that we need occupations and distractions, othe….

The concept of absolute, hence (or whence) springs, in the moral field, the moral laws or norms, represent, in the field of knowledge, the principle ….