Black seems to make a colour cloudy, but darkness doesn't. A ruby could thus keep getting darker without ever becoming cloudy; but if it became blackish red, it would become cloudy.

Black seems to make a colour cloudy, but darkness doesn't. A ruby could thus keep getting darker without ever becoming cloudy; but if it became blackish red, it would become cloudy.

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

Don't for heaven's sake, be afraid of talking nonsense! But you must pay attention to your nonsense.

Because our goals are not lofty but illusory, our problems are not difficult, but nonsensical.

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 it.

Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.