Politics is a war of causes; a joust of principles. Government is too serious a matter to admit of meaningless courtesies.

Scholarship cannot do without literature.... It needs literature to float it, to set it current, to authenticate it to all the race, to get it out of closets and into the brains of men who stir abroad.

...to make the world safe for democracy.

The growth of our nation and all its activities are in the hands of a few men.

It is not men that interest or disturb me primarily; it is ideas. Ideas live; men die.

A right is worth fighting for only when it can be put into operation.

The natural man inevitably rebels against mathematics, a mild form of torture that could only be learned by painful processes of drill.