Profundity of thought belongs to youth, clarity of thought to old age.

If you go to see the woman, do not forget the whip.

The task is not to overcome opponents in general but only those opponents against whom one has to summon all one's strength, one's skill and one's swordsmanship-in fact to master opponents who are one's equals.

That, however, is - mediocrity, though it be called moderation.

You say a good cause justifies any war; but I say a good war justifies any cause.

I listened for the echo, and I heard only praise —

The ordinary man is as courageous and invulnerable as a hero when he does not recognize any danger, when he has no eyes to see it.Conversely, the hero's only vulnerable spot is on his back, and so exactly where he has no eyes.