To regard Christ as God, and to pray to him, are to my mind the greatest possible sacrilege.

A human can be healthy without killing animals for food.

Boredom: the desire for desires.

And where love ends, hate begins

There is nothing more harmful to you than improving only your material, animal side of life. There is nothing more beneficial, both for you and for others, than activity directed to the improvement of your soul.

School is established, not in order that it should be convenient for the children to study, but that teachers should be able to teach in comfort. The children's conversations, motion, merriment are not convenient for the teacher, and so in the schools, which are built on the plan of prisons, are prohibited.

Where there is a man who does not labor because another is compelled to work for him, there slavery is.