Philosophy is at once the most sublime and the most trivial of human pursuits.

Belief is desecrated when given to unproved and unquestioned statements for the solace and private pleasure of the believer . . . It is wrong always, everywhere, and for every one, to believe anything upon insufficient evidence.

The attitude of unhappiness is not only painful, it is mean and ugly.

Despair lames most people, but it wakes others fully up.

The most violent revolutions in an individuals beliefs leave most of his old order standing. Time and space, cause and effect, nature and history, and ones own biography remain untouched. New truth is always a go-between, a smoother-over of transitions. It marries old opinion to new fact so as ever to show a minimum of jolt, a maximum of continuity.

The function of ignoring, of inattention, is as vital a factor in mental progress as the function of attention itself.

Actions seems to follow feeling, but really actions and feeling go together; and by regulating the action, which is under the more direct control of the will, we can indirectly regulate the feeling, which is not. Thus the sovereign voluntary path to cheerfulness, if our cheerfulness be lost, is to sit up cheerfully and to act and speak as if cheerfulness were already there.