(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")

It's good to slowly come to the realization that you understand nothing.

At every crossway on the path that leads to the future, each progressive spirit is opposed by a thousand men appointed to guard the past. Let us have no fear that the fair towers of former days be sufficiently defended. The least that the most timid among us can do is not to add to the immense dead weight that nature drags along.

The manner in which the hours of freedom are spent determines, no less than labor and war, the moral worth of a nation.

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.

It is not from reason that justice springs, but goodness is born of wisdom.

An obstacle is not a discouragement. It may become one, but only with our own consent. So long as we refuse to be discouraged, we cannot be discouraged.