What we cannot speak about we must pass over in silence.

We regard the photograph, the picture on our wall, as the object itself (the man, landscape, and so on) depicted there. This need not have been so. We could easily imagine people who did not have this relation to such pictures. Who, for example, would be repelled by photographs, because a face without color and even perhaps a face in reduced proportions struck them as inhuman.

You can't think decently if you're not willing to hurt yourself

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

It is love that believes the resurrection.

No one can think a thought for me in the way that no one can don my hat for me.

What Copernicus really achieved was not the discovery of a true theory but of a fertile new point of view.