Everyone knows that on any given day there are energies slumbering in him which the incitement's of that day do not call forth. Compared with what we ought to be, we are only half awake. The human individual usually lives far within his limits.

[There are, in us] possibilities that take our breath away, and show a world wider than either physics or philistine ethics can imagine. Here is a world in which all is well, in spite of certain forms of death, death of hope, death of strength, death of responsibility, of fear and wrong, death of everything that paganism, naturalism and legalism pin their trust on.

In teaching, you must simply work your pupil into such a state of interest in what you are going to teach him that every other object of attention is banished from his mind; then reveal it to him so impressively that he will remember the occasion to his dying day; and finally fill him with devouring curiosity to know what the next steps in connection with the subject are.

The history of philosophy is to a great extent that of a certain clash of human temperaments.

Both thought and feeling are determinants of conduct, and the same conduct may be determined either by feeling or by thought.

The emotions aren't always immediately subject to reason, but they are always immediately subject to action.

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