The revolution is a long and arduous struggle, but with determination and unity, victory is certain.

Jealousy is not a pathology; it's an evolved defense mechanism against threats to reproductive success.

释义：早早成功的人未必能取得长久的成就，晚点成功的人也未必不能达到目标。因此，不能因为年轻就自满骄傲，也不能因为年老就自暴自弃。