Without civic morality communities perish; without personal morality their survival has no value.

Great God in Boots! – the ontological argument is sound!

The Axiom of Choice is necessary to select a set from an infinite number of socks, but not an infinite number of shoes.

The solution of the difficulties which formerly surrounded the mathematical infinite is probably the greatest achievement of which our age has to boast.

A man without a bias cannot write interesting history - if indeed such a man exists.

Beware the man of the single book

[Man] ... his origin, his growth, his hopes and fears, his loves and his beliefs are but the outcome of accidental collocations of atoms; that no fire, no heroism, no intensity of thought and feeling can preserve an individual life beyond the grave; that all the labour of the ages, all the devotion, all the inspiration, all the noonday brightness of human genius are destined to extinction in the vast death of the solar system, and that the whole temple of Man's achievement must inevitably be buried beneath the debris of a universe in ruins.