No one who has seen a baby sinking back satiated from the breast and falling asleep with flushed cheeks and a blissful smile can escape the reflection that this picture persists as a prototype of the expression of sexual satisfaction in later life. – Sigmund Freud
The conscious mind may be compared to a fountain playing in the sun and falling back into the great subterranean pool of subconscious from which it rises. – Sigmund Freud

