Only when one thinks even much more madly than the philosophers can one solve their problems.

You can't hear God speak to someone else, you can hear him only when you are being addressed.

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

For an answer which cannot be expressed the question too cannot be expressed. The riddle does not exist. If a question can be put at all, then it can also be answered.

To convince someone of the truth, it is not enough to state it, but rather one must find the path from error to truth.

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.

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