"The child is the father of the man."

"Religion is an illusion and it derives its strength from the fact that it falls in with our instinctual desires."

"No one who has tasted the forbidden fruit of knowledge can ever again be satisfied with the primitive bliss of ignorance."

"The complete sexual repression of the Victorian age led to an unprecedented increase in hysteria and other neurotic disorders."

"Men are more moral than they think and far more immoral than they can imagine."