Whenever we give up, leave behind, and forget too much, there is always the danger that the things we have neglected will return with added force

Everyone is in love with his own ideas

Anyone who wants to know the human psyche will learn next to nothing from experimental psychology. He would be better advised to abandon exact science, put away his scholar's gown, bid farewell to his study, and wander with human heart through the world.

In such doubtful matters, where you have to work as a pioneer, you must be able to put some trust in your intuition and follow your feeling even at the risk of going wrong.

It is a bewildering thing in human life that the things that cause the greatest fear is the source of the greatest wisdom.

Neurosis is an inner cleavage-the state of being at war with oneself.

When a Pueblo Indian does not feel in the right mood, he stays away from the men's council. When an ancient Roman stumbled on the threshold as he left the house, he gave up his plans for the day. This seems to us senseless, but under primitive conditions of life such an omen inclines one at least to be cautious. When I am not in full control of myself, my bodily movements may be under a certain constraint; my attention is easily distracted; I am somewhat absent-minded. As a result I knock against something, stumble, let something fall, or forget something.