By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and in effect increases the mental power of the race.

The art of progress is to preserve order amid change, and to preserve change amid order. Life refuses to be embalmed alive. The more prolonged the halt in some unrelieved system of order, the greater the crash of the dead society.

From the very beginning of his education, the child should experience the joy of discovery.

Dogmatism is the anti-Christ of learning.

Art is the imposing of a pattern on experience, and our aesthetic enjoyment is recognition of the pattern.

All practical teachers know that education is a patient process of mastery of details, minute by minute, hour by hour, day by day.

Nature, even in the act of satisfying anticipation, often provides a surprise.