Yes, America is gigantic, but a gigantic mistake.

These [religious ideas] are given out as teachings, are not precipitates of experience or end-results of thinking: they are illusions, fullfilments of the oldest, strongest and most urgent wishes of mankind.

Illusions commend themselves to us because they save us pain and allow us to enjoy pleasure instead.

I do not think our successes can compete with those of Lourdes. There are so many more people who believe in the miracles of the Blessed Virgin than in the existence of the unconscious.

Opposition is not necessarily enmity; it is merely misused and made an occasion for enmity.

All that matters is love and work.

Without love we fall ill.