Gradually it has become clear to me what every great philosophy so far has been: namely, the personal confession of its author and a kind of involuntary and unconscious memoir.

Do you suppose that sacrifice is the hallmark of moral action?--Just stop to consider whether sacrifice is not involved in every action that is done with deliberation, the worst as well as the best.

Who has not for the sake of his reputation sacrificed himself?

Ye shall only have foes to be hated; but not foes to be despised: ye must be proud of your foes.

Body am I entirely, and nothing else; and soul is only a word for something about the body.

The noble soul reveres itself

All good things were formerly bad things; every original sin has turned into an original virtue.