As any change must begin somewhere, it is the single individual who will experience it and carry it through. The change must indeed begin with an individual; it might be any one of us. Nobody can afford to look round and to wait for somebody else to do what he is loath to do himself.

Doesn't the world bring forth thinking in human heads with the same necessity that it brings forth blossoms on the plant?

Man's unconscious... contains all the patterns of life and behaviour inherited from his ancestors, so that every human child, prior to consciousness, is possessed of a potential system of adapted psychic functioning.

I am astonished, disappointed, pleased with myself. I am distressed, depressed, rapturous. I am all these things at once and cannot add up the sum.

Once upon a time men were possessed by devils. Now they are not less obsessed by ideas

What you resist persist.

The meaning and design of a problem seem not to lie in its solution, but in our working at it incessantly.