Not only does the psyche exist, but it is existence itself. It is an almost absurd prejudice to suppose that existence can only be physical...We might well say, on the contrary, that physical existence is a mere inference, since we know of matter only in so far as we perceive psychic images mediated by the senses.

I know that previously I would not have dared to express myself so explicitly about so uncertain a matter. I can take this risk because I am now in my eighth decade, and the changing opinions of men scarcely impress me any more; the thoughts of the old masters are of greater value to me than the philosophical prejudices of the Western mind.

Even if the whole world were to fall to pieces, the unity of the psyche would never be shattered.

The majority of my patients consisted not of believers but of those who had lost their faith.

Our psyche is set up in accord with the structure of the universe, and what happens in the macrocosm likewise happens in the infinitesimal and most subjective reaches of the psyche

The word 'happiness' would lose its meaning if it were not balanced and contrasted and compared to sadness. In comparing how an experience could have been worse we develop gratitude and happiness, while if we compare it how it could have been better we develop bitterness and sadness.

The Christian missionary may preach the gospel to the poor naked heathen, but the spiritual heathen who populate Europe have as yet heard nothing of Christianity.