Modern definitions of truth, such as those as pragmatism and instrumentalism, which are practical rather than contemplative, are inspired by industrialisation as opposed to aristocracy.

There is... in our day, a powerful antidote to nonsense, which hardly existed in earlier times - I mean science. Science cannot be ignored or rejected, because it is bound up with modern technique; it is essential alike to prosperity in peace and to victory in war. That is, perhaps from an intellectual point of view, the most hopeful feature of our age, and the one which makes it most likely that we shall escape complete submersion in some new or old superstition.

Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.

I can only say that, while my own opinions as to ethics do not satisfy me, other people's satisfy me still less.

The pure mathematician, like the musician, is a free creator of his world of ordered beauty.

Everybody can do something toward creating in his own environment kindly feelings rather than anger, reasonableness rather than hysteria, happiness rather than misery.