Every day has its great grief or its small anxiety. ... One cloud is dispelled, another forms. There is hardly one day in a hundred of real joy and bright sunshine.

Be like the bird who, pausing in her flight awhile on boughs too slight, feels them give way beneath her, and yet sings, knowing she hath wings.

I'd rather be hissed at for a good verse, than applauded for a bad one.

Superstition, bigotry and prejudice, ghosts though they are, cling tenaciously to life; they are shades armed with tooth and claw. They must be grappled with unceasingly, for it is a fateful part of human destiny that it is condemned to wage perpetual war against ghosts. A shade is not easily taken by the throat and destroyed.

You have enemies? Why, it is the story of every man who has done a great deed or created a new idea.

I think, therefore I doubt.

A library implies an act of faith.