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

All philosophy is a 'critique of language' (though not in Mauthner's sense). It was Russell who performed the service of showing that the apparent logical form of a proposition need not be its real one.

Philosophy is a battle against the bewitchment of our intelligence by means of language.

A picture whose pictorial form is logical form is called a logical picture.

A man's thinking goes on within his consciousness in a seclusion in comparison with which any physical seclusion is an exhibition to public view.

The world of the happy is quite different from that of the unhappy.

An honest religious thinker is like a tightrope walker. He almost looks as though he were walking on nothing but air. His support is the slenderest imaginable. And yet it really is possible to walk on it.