Let the boy win his spurs.

Fortune is so changeable that one must not put trust in her.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

-- Thomas Edison

After victory, tighten the cords of your helmet.

-- Toyotomi Hideyoshi's chief strategist and the architect of his greatest victories

臣事項王、官不過郎中、位不過執戟。言不聴、画不用、故倍楚而帰漢。

-- The greatest military mind of early imperial China, whose campaigns established the Han dynasty (c. 231-196 BCE). Han Xin's tactical innovations — including the legendary 'battle with backs to the river' — demonstrated that battlefield psychology and terrain exploitation could overcome any numerical disadvantage. His reward

Experience is the teacher of all things.

-- The Roman general

I would rather save one citizen than destroy a thousand enemies.

-- The Roman general who defeated Hannibal at Zama

If my soldiers were to begin to think, not one of them would remain in the ranks.

-- The 'Lion of the North' who revolutionized European warfare through combined-arms tactics and transformed Sweden into a continental great power during the Thirty Years' War