But as Nature is the best guide, teaching must be the development of natural inclinations, for which purpose the teacher must watch his pupil and listen to him, not continually bawl words into his ears as if pouring water into a funnel. Good teaching will come from a mind well made rather than well filled.

To understand via the heart is not to understand.

We are nothing but ceremony; ceremony carries us away, and we leave the substance of things; we hang on to the branches and abandon the trunk and body.

Our zeal works wonders, whenever it supports our inclination toward hatred, cruelty, ambition.

Any time and any place can be used to study: his room, a garden, is table, his bed; when alone or in company; morning and evening. His chief study will be Philosophy, that Former of good judgement and character who is privileged to be concerned with everything.

What we are told of the inhabitants of Brazil, that they never die but of old age, is attributed to the tranquility and serenity of their climate; I rather attribute it to the tranquility and serenity of their souls, which are free from all passion, thought, or any absorbing and unpleasant labors. Those people spend their lives in an admirable simplicity and ignorance, without letters, without law, without king, without any manner of religion.

It is not a mind, it is not a body that we educate, but it is a man, and we must not make two parts of him.