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

My attitude towards him is an attitude towards a soul. I am not of the opinion that he has a soul. . . .

In the world everything is as it is and happens as it does happen. In it, there is no value, - and if there were, it would be of no value.

The sole remaining task for philosophy is the analysis of language.

The world is made up of facts, not things.

A main cause of philosophical disease-an unbalanced diet: one nourishes one's thinking with only one kind of example.

Language is a part of our organism and no less complicated than it.