Of all the beautiful truths pertaining to the soul None is more gladdening or fruitful than to know You can regenerate and make yourself what you will.

A new idea is first condemned as ridiculous and then dismissed as trivial, until finally, it becomes what everybody knows.

A great many people think they are thinking when they are merely rearranging their prejudices.

Mental fire is what won't burn real sticks; mental water is what won't necessarily (though of course it may) put out even a mentalfire.

An impression which simply flows in at the pupil's eyes or ears and in no way modifies his active life, is an impression gone to waste. It is physiologically incomplete... Its motor consequences are what clinch it.

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

Our acts of voluntary attending, as brief and fitful as they are, are nevertheless momentous and critical, determining us, as they do, to higher or lower destinies.