The stream of thought flows on; but most of its segments fall into the bottomless abyss of oblivion. Of some, no memory survives the instant of their passage. Of others, it is confined to a few moments, hours or days. Others, again, leave vestiges which are indestructible, and by means of which they may be recalled as long as life endures.

There are two lives, the natural and the spiritual, and we must lose the one before we can participate in the other.

Woe to him whose beliefs play fast and loose with the order which realities follow in his experience; they will lead him nowhere or else make false connections

The union of the mathematician with the poet, fervor with measure, passion with correctness, this surely is the ideal.

I am tired of the position of the dried-up critic and doubter. The believer is the true full man. (from a biography of James by Robert D. Richardson)

There can be no existence of evil as a force to the healthy-minded individual.

Let everything you do be done as if it makes a difference.