“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?”

“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.”

“The real question of life after death isn't whether or not it exists, but even if it does what problem this really solves.”

“[Philosophy] must set limits to what can be thought; and, in doing so, to what cannot be thought. It must set limits to what cannot be thought by working outwards through what can be thought.”

“Just be indipendent of the external world, so you don't have to fear for what's in it.”

“I give no sources, because it is indifferent to mewhether what I have thought has already beenthought before me by another.”