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

When we can't think for ourselves, we can always quote

You might say that certain words are only pegs to hang intonations on.

We are asleep. Our Life is a dream. But we wake up sometimes, just enough to know that we are dreaming.

Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and a heretic

Think of words as instruments characterized by their use, and then think of the use of a hammer, the use of a chisel, the use of a square, of a glue pot, and of the glue.

It is an hypothesis that the sun will rise tomorrow: and this means that we do not know whether it will rise.