Quotes by Ludwig Wittgenstein

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

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

One cannot guess how a word functions. One has to look at its use and learn from that. But the difficulty is to remove the prejudice which stands in the way of doing this. It is not a stupid prejudice.

Not only is there no guarantee of the temporal immortality of the human soul, that is to say of its eternal survival after death; but, in any case, this assumption completely fails to accomplish the purpose for which it has always been intended. Or is some riddle solved by my surviving forever? Is not this eternal life itself as much of a riddle as our present life?

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.

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.

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

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.

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

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