Man can change his life simply by changing his attitude.

To be fertile in hypotheses is the first perquisite of creativity and to be willing to throw them away the moment experience contradicts them is the next.

Whenever two people meet, there are really six people present. There is each man as he sees himself, each man as the other person sees him, and each man as he really is.

As long as there are postmen, life will have zest.

The first lecture in psychology that I ever heard was the first I ever gave.

Most of us can learn to live in perfect comfort on higher levels of power. Everyone knows that on any given day there are energies slumbering in him which the incitements of that day do not call forth. Compared with what we ought to be, we are only half awake. It is evident that our organism has stored-up reserves of energy that are ordinarily not called upon - deeper and deeper strata of explosible material, ready for use by anyone who probes so deep. The human individual usually lives far within his limits.

There is a voice inside which speaks and says, "This is the real me!"