There is no soul that does not respond to love, for the soul of man is a guest that has gone hungry these centuries back.

Is not every action of Hamlet induced by a fanatical impulse, which tells him that duty consists in revenge alone? And dose it need superhuman efforts to recognize that revenge never can be duty? I say again that Hamlet thinks much, but that he is by no means wise.

You do well to have visions of a better life than of every day, but it is the life of every day from which the elements of a better life must come.

To have known how to change the past into a few saddened smiles-is this not to master the future?

(there is) no other means of escaping from one's consciousness than to deny it, to look upon it as an organic disease of the terrestrial intelligence - a disease which we must endeavor to cure by an action which must appear to us an action of violent and willful madness, but which, on the other side of our appearances, is probably an action of health. ("Of Immortality")

We possess only the happiness we able to understand.

He who sees without loving is only straining his eyes in the darkness.