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

I won't say 'See you tomorrow' because that would be like predicting the future, and I'm pretty sure I can't do that.

Death is not an event in life: we do not live to experience death.

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.

Philosophy can be said to consist of three activities: to see the commonsense answer, to get yourself so deeply into the problem that the common sense answer is unbearable, and to get from that situation back to the commonsense answer.

The classifications made by philosophers and psychologists are like trying to classify clouds by their shape.

Nothing is so difficult as not deceiving oneself.