The world will ask you who you are, and if you don't know, the world will tell you.

If a union is to take place between opposites like spirit and matter, conscious and unconscious, bright and dark, and so on, it will happen in a third thing, which represents not a compromise but something new.

Thoroughly unprepared, we take the step into the afternoon of life. Worse still, we take this step with the false presupposition that our truths and our ideals will serve us as hitherto. But we cannot live the afternoon of life according to the program of life’s morning, for what was great in the morning will be little at evening and what in the morning was true, at evening will have become a lie.

A [wo]man who is unconscious of [her/]himself acts in a blind, instinctive way and is in addition fooled by all the illusions that arise when he sees everything that he is not conscious of in himself coming to meet him from outside as projections upon his neighbour.

I have treated many hundreds of patients. Among those in the second half of life - that is to say, over 35 - there has not been one whose problem in the last resort was not that of finding a religious outlook on life.

It seems to be very hard for people to live with riddles or to let them live, although one would think that life is so full of riddles as it is that a few more things we cannot answer would make no difference. But perhaps it is just this that is so unendurable, that there are irrational things in our own psyche which upset the conscious mind in its illusory certainties by confronting it with the riddle of its existence.

The underlying, primary psychic reality is so inconceivably complex that it can be grasped only at the farthest reach of intuition, and then but very dimly. That is why it needs symbols.