Philosophy seems to me on the whole a rather hopeless business. - Bertrand Russell

Science seems to be at war with itself.... Naive realism leads to physics, and physics, if true, shows naive realism to be false. Therefore naive realism, if true, is false; therefore it is false.

Ethics is in origin the art of recommending to others the sacrifices required for co-operation with oneself.

I like mathematics because it is not human and has nothing particular to do with this planet or with the whole accidental universe – because, like Spinoza's God, it won't love us in return.