“A man will be imprisoned in a room with a door that's unlocked and opens inwards; as long as it does not occur to him to pull rather than push.”

“What stands fast does so, not because it is intrinsically obvious or convincing; it is rather held fast by what lies around it.”

“Tell me," Wittgenstein's asked a friend, "why do people always say, it was natural for man to assume that the sun went round the earth rather than that the earth was rotating?" His friend replied, "Well, obviously because it just looks as though the Sun is going round the Earth." Wittgenstein replied, "Well, what would it have looked like if it had looked as though the Earth was rotating?”

“The mechanism which we don't understand is not anything in our soul, but rather that of the life of this expression.”

“In the world everything is as it is and happens as it does happen. In it, there is no value, - and if there were, it would be of no value.”

“The world of the happy man is a different one from that of the unhappy man.”

“Wovon man nicht sprechen kann, darüber muß man schweigen.”