Ludwig Wittgenstein

"A man will be imprisoned in a room

with a door that's unlocked and opens

inwards, as long as it doesn't occur to him to pull rather than push."

If we take eternity to mean not infinite temporal duration but timelessness, then eternal life belongs to those who live in the present.

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

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

Don't regard a hesitant assertion as an assertion of hesitancy.

To understand a sentence means to understand a language. To understand a language means to be master of a technique.

Philosophy can be said to consist of three activities: to see the commonsense answer, to get yourself so deeply into the problem that the common sense answer is unbearable, and to get from that situation back to the commonsense answer.

Philosophy is a battle against the bewitchment of our intelligence by means of language.

Our civilization is characterized by the word "progress." Progress is its form rather than making progress being one of its features. Typically it constructs. It is occupied with building an ever more complicated structure. And even clarity is seldom sought.

You must always be puzzled by mental illness. The thing I would dread most, if I became mentally ill, would be your adopting a common sense attitude; that you could take it for granted that I was deluded.