Many people have played themselves to death. Many people have eaten and drunk themselves to death. Nobody ever thought himself to death.

Many of the twisted minds and crippled characters in the world were made by careless parents who kept their children away from knives and fires, but put permanent scars on their souls.

The young do not demand omniscience. They know it is unattainable. They do demand sincerity.

At certain times and in certain schools it is orthodox to be a rebel; and in general it is a very poor class that does not contain at least three pupils who can be counted on to oppose the teachers authority and loudly and persistently to question everything he says.

The wise teacher knows that 55 minutes of work plus 5 minutes laughter are worth twice as much as 60 minutes of unvaried work.

I believe that much of the maladjustment in our societies is caused, not by malevolence and corruption, but simply by ignorance.

The real duty of man is not to extend his power or multiply his wealth beyond his needs, but to enrich and enjoy his imperishable possession: his soul.