41、成功之秘诀，在始终不变其目的。
The secret of success is to keep its purpose unchanged.
42、勤奋是成功之母。
Diligence is the mother of success.
43、坚忍是成功的诀窍。
Perseverance is the key to success.
44、困难里包含着胜利，失败里孕育着成功。
Difficulties contain victory, while failures breed success.
