Do nothing which is of no use.

No man is invincible, and therefore no man can fully understand that which would make him invincible. Even with complete and thorough study there is always the possibility of being defeated and although one may be expert in a particular form, mastery is something a man never stops seeking to attain.

Crossing at a ford occurs often in a man's lifetime. It means setting sail even though your friends stay in harbour, knowing the route, knowing the soundness of your ship and the favour of the day.

The path that leads to truth is littered with the bodies of the ignorant.

If you know the way broadly you will see it in everything.

In contests of strategy it is bad to be led about by the enemy. You must always be able to lead the enemy about.

All things entail rising and falling timing. You must be able to discern this.