I believe that history is capable of anything. There exists no folly that men have not tried out.

At present we educate people only up to the point where they can earn a living and marry; then education ceases altogether, as though a complete mental outfit had been acquired. ... Vast numbers of men and women thus spend their entire lives in complete ignorance of the most important things.

Language, in its origin and essence, is simply a system of signs or symbols that denote real occurrences or their echo in the human soul.

The primary cause of unhappiness in the world today is... lack of faith.

When we must deal with problems, we instinctively resist trying the way that leads through obscurity and darkness. We wish to hear only of unequivocal results, and completely forget that these results can only be brought about when we have ventured into and emerged again from the darkness. But to penetrate the darkness we must summon all the powers of enlightenment that consciousness can offer.

The unconscious is the only available source of religious experience. This in certainly not to say that what we call the unconscious is identical with God or is set up in his place. It is simply the medium from which religious experience seems to flow. As to what the further cause of such experience might be, the answer to this lies beyond the range of human knowledge.

All true things must change and only that which changes remains true.