All propositions are of equal value.

Suppose someone were to say: 'Imagine this butterfly exactly as it is, but ugly instead of beautiful'?!

Most of the propositions and questions to be found in philosophical works are not false but nonsensical.

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

I think I summed up my attitude to philosophy when I said: philosophy ought really to be written only as a poetic composition.

With my full philosophical rucksack I can only climb slowly up the mountain of mathematics.

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.