As soon as anyone says of the affairs of the state ‘What do I care?’, the state may be given up for lost. - Jean-Jacques Rousseau

The mind, as well as the body, has its needs: those of the body are the basis of society, those of the mind its ornaments

Our sweetest existence is relative and collective and our true self is not entirely in us. Such is man’s constitution in this life that he never succeeds in truly enjoying himself without the help of other people.

Si algún progreso he hecho en el conocimiento del corazón humano, fue el placer que tenía en ver y observar a los niños lo que me valió tal conocimiento.