Order is ... the true key to rapidity of reaction.

Childhood constitutes the most important element in an adult's life, for it is in his early years that a man is made.

All human victories, all human progress, stand upon the inner force.

Joy, feeling one’s own value, being appreciated and loved by others, feeling useful and capable of production are all factors of enormous value for the human soul.

Today, however, those things which occupy us in the field of education are the interests of humanity at large and of civilization, and before such great forces we can recognize only one country-the entire world.

The child builds his inmost self out of the deeply held impressions he receives.

Discipline must come through liberty. . . . We do not consider an individual disciplined only when he has been rendered as artificially silent as a mute and as immovable as a paralytic. He is an individual annihilated, not disciplined.