释义：不要把行藏怨恨到老天身上，韩彭当日也很可怜。一心征战的时候是摧锋陷阵的时刻，百战擒获敌将是破敌的年份。

Sustainability is not an option, it's a responsibility.

The only person you should try to be better than is the person you were yesterday.

孔子说：“知道学习不如喜欢学习，喜欢学习不如以学习为快乐。”