Childhood Is The Sleep Of Reason.

To Study Men, We Must Look Close By; To Study Man, We Must Learn To Look Afar; If We Are To Discover Essential Characteristics, We Must First Observe Differences.

Everything Degenerates In The Hands Of Man.

To Try To Conceal Our Own Heart Is A Bad Means To Read That Of Others.

We Cannot Teach Children The Danger Of Telling Lies To Men Without Realising, On The Man's Part, The Danger Of Telling Lies To Children. A Single Untruth On The Part Of The Master Will Destroy The Results Of His Education.

There Is A Period Of Life When We Go Back As We Advance. [fr., Il Est Un Terme De La Vie Au-dela Duquel En Retrograde En Avancant.]