21、坚毅可以战胜强力。
Perseverance triumphs over strength.
22、男儿立身须自强。
Men need to be self-reliant.
23、三军可夺帅也，匹夫不可夺志也。
The three armies can seize commanders, but no man can seize aspirations.
24、青年有坚强的肩膀，老年有智慧的头脑。
Youth has strong shoulders and old age has a wise mind.
