Science is not ... a perfect instrument, but it is a superb and invaluable tool that works harm only when taken as an end in itself.

Myth is more individual and expresses life more precisely than does science.

In the second half of life the necessity is imposed of recognizing no longer the validity of our former ideals but of their contraries. Of perceiving the error in what was previously our conviction, of sensing the untruth in what was our truth, and of weighing the degree of opposition, and even of hostility, in what we took to be love.

The darkness which clings to every personality is the door into the unconscious and the gateway of dreams, from which those two twilight figures, the shadow and the anima, step into our nightly visions or, remaining invisible, take possession of our ego-consciousness.

Knowing your own darkness is the best method for dealing with the darknesses of other people.

We do not know whether Hitler is going to found a new Islam. He is already on the way; he is like Muhammad.

Thinking is difficult, that’s why most people judge.