Crystals reveal their hidden structures only when broken.

I think that in general it is a good plan occasionally to bear in mind the fact that people were in the habit of dreaming before there was such a thing as psychoanalysis.

Humor is a means of obtaining pleasure in spite of the distressing effects that interface with it.

Demons do not exist any more than gods do, being only the products of the psychic activity of man.

"He sido un hombre afortunado en la vida, nada me ha sido facil." "I've been a fortunate man in life, nothing has come easy"

A piece of creative writing, like a day-dream, is a continuation of, and a substitute for, what was once the play of childhood.

The only unnatural sexual behavior is none at all.