A forced faithfulness is a bitter fruit for all concerned.

When a blind beetle crawls over the surface of a globe he doesn't notice that the track he has covered is curved. I was lucky enough to have spotted it.

In the teaching of geography and history a sympathetic understanding (should) be fostered for the characteristics of the different peoples of the world, especially for those who we are in the habit of describing as "primitive.

Creative energy is more critical than learning.

Blind belief in authority is the greatest enemy of truth.

Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam? Dr. Einstein: Yes; But this year the answers are different.

My life is a simple thing that would interest no one. It is a known fact that I was born, and that is all that is necessary.