Unless you really understand others, you can hardly attain your own self-understanding.

Polish your wisdom: learn public justice, distinguish between good and evil, study the ways of different arts one by one.

The bow is tactically strong at the commencement of battle, especially battles on a moor, as it is possible to shoot quickly among the spearmen.

The important thing in strategy is to suppress the enemy's useful actions but allow his useless actions

Do nothing which is of no use.

A bullet from a gun does not make a distinction between practice and combat. You are training to be one and the same way in your life

You should not have any special fondness for a particular weapon, or anything else, for that matter. Too much is the same as not enough. Without imitating anyone else, you should have as much weaponry as suits you.