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.

Man has, as it were, become a kind of prosthetic God. When he puts on all his auxiliary organs, he is truly magnificent; but those organs have not grown on him and they still give him much trouble at times.

We are so constituted that we can gain intense pleasure only from the contrast, and only very little from the condition itself.

My boy! Smoking is one of the greatest and cheapest enjoyments in life, and if you decide in advance not to smoke, i can only feel sorry for you.

Out of your vulnerabilities will come your strength.

Even if all parts of a problem seem to fit together like the pieces of a jigsaw puzzle, one has to remember that the probable need not necessarily be the truth and the truth not always probable.

A state of consciousness is characteristically very transitory; an idea that is conscious now is no longer so a moment later, although it can become so again under certain conditions that are easily brought about.