The Four Oaths: Never be late with respect to the way of the warrior; be useful to the lord; be respectful to your parents; get beyond love and grief: exist for the good of man.

Covetousness, anger and foolishness are things to sort out well. When bad things happen in the world, if you look at them comparatively, they are not unrelated to these three things.

There are few people who will make mistakes with fire after having once been burned.

If one thinks only of winning, a sordid victory will be worse than a defeat. For the most part, it becomes a squalid defeat.

Looking comparatively at the good things, you will see that they are not excluded from wisdom, humanity and bravery.

By inconsistency and frivolity we stray from the Way and show ourselves to be beginners. In this we do much harm.

Calculating people are contemptable. The reason for this is that calculation deals with loss and gain, and the loss and gain mind never stops. Death is considered loss and life is considered gain. Thus, death is something that such a person does not care for, and he is contemptable. Furthermore, scholars and their like are men who with wit and speech hide their own true cowardice and greed. People often misjudge this.