Ludwig Wittgenstein II

A serious and good philosophical work could be written consisting entirely of jokes.

The limits of my language means the limits of my world.

I don't know why we are here, but I'm pretty sure that it is not in order to enjoy ourselves.

Whereof one cannot speak, thereof one must be silent.

Hell isn't other people. Hell is yourself.

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

Nothing is so difficult as not deceiving oneself.

If people never did silly things nothing intelligent would ever get done.

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

I am sitting with a philosopher in the garden; he says again and again 'I know that that’s a tree', pointing to a tree that is near us. Someone else arrives and hears this, and I tell him: 'This fellow isn’t insane. We are only doing philosophy.

The limits of my language are the limits of my mind. All I know is what I have words for.

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.

How small a thought it takes to fill a life.

It is a dogma of the Roman Church that the existence of God can be proved by natural reason. Now this dogma would make it impossible for me to be a Roman Catholic. If I thought of God as another being like myself, outside myself, only infinitely more powerful, then I would regard it as my duty to defy him.