That which cannot be said must not be said. That which cannot be said, one must be silent thereof.

In order to be able to set a limit to thought, we should have to find both sides of the limit thinkable (i.e. we should have to be able to think what cannot be thought).

Talent is a spring from which fresh water always flows.- But this spring is worthless if no good use is made of it.

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

The sense of the world must lie outside the world... What we cannot speak about we must remain silent about... What can be described can happen too, and what is excluded by the laws of causality cannot be described.

Uttering a word is like striking a note on the keyboard of the imagination.

A picture held us captive. And we could not get outside it, for it lay in our language and language seemed to repeat it to us inexorably.