The most valuable thing a teacher can impart to children is not knowledge and understanding per se but a longing for knowledge and understanding, and an appreciation for intellectual values, whether they be artistic, scientific, or moral. It is the supreme art of the teacher to awaken joy in creative expression and knowledge. Most teachers waste their time by asking questions that are intended to discover what a pupil does not know, whereas the true art of questioning is to discover what the pupil does know or is capable of knowing.

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

The more cruel the wrong that men commit against an individual or a people, the deeper their hatred and contempt for their victim.

We should be on our guard not to overestimate science and scientific methods when it is a question of human problems, and we should not assume that experts are the only ones who have the right to express themselves on questions affecting the organization of society.

Every age has its beautiful moments.

Most people see what is, and never see what can be.

Only morality in our actions can give beauty and dignity to life.