A man who has not passed through the inferno of his passions has never overcome them. They then dwell in the house next door, and at any moment a flame may dart out and set fire to his own house. 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.

Everything psychic is pregnant with the future.

So far as the personality is still potential, it can be called transcendent, and so far as it is unconscious, it is indistinguishable from all those things that carry its projections...that is, symbols of the outside world and the cosmic symbols. These form the psychological basis for the conception of man as a macrocosm through the astrological components of his character.

Learn your theories as well as you can, but put them aside when you touch the miracle of the living soul

In fact, the whole of mythology could be taken as a sort of projection of the collective unconscious

Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism.

...the soul does not require the organs of sense in order to see, hear, smell, taste and feel, in a much more perfect state; but with this great difference, that in such a state, it stands in much nearer connection with the spirtual than the material world.