Happiness is not just the absence of sadness; it's the presence of meaning.

译文：立志别挑简单的目标，做事别躲困难的任务。

The best time to plant a tree was 20 years ago. The second best time is now.

Great businesses are built on great relationships.

成功是一段旅程，而不是终点。不断学习，不断成长。