Language disguises the thought; so that from the external form of the clothes one cannot infer the form of the thought they clothe, because the external form of the clothes is constructed with quite another object than to let the form of the body be recognized.

Just be indipendent of the external world, so you don't have to fear for what's in it.

The solution to the problem of life is seen in the vanishing of this problem.

When you are philosophizing you have to descend into primeval chaos and feel at home there.

Russell's books should be bound in two colours, those dealing with mathematical logic in red - and all students of philosophy should read them; those dealing with ethics and politics in blue - and no one should be allowed to read them.

A philosopher who is not taking part in discussions is like a boxer who never goes into the ring.

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.