“To know ten thousand things, know one well”
“from one thing, know ten thousand things”
“It is difficult to realize the true Way just through sword-fencing. Know the smallest things and the biggest things, the shallowest things and the deepest things.”
“Know your enemy, know his sword.”
“When in a fight to the death, one wants to employ all one's weapons to the utmost. I must say that to die with one's sword still sheathed is most regrettable.”
“The important thing in strategy is to suppress the enemy's useful actions but allow his useless actions”
“Polish your wisdom: learn public justice, distinguish between good and evil, study the ways of different arts one by one.”