The key to a happy life is not in avoiding problems, but in learning how to deal with them effectively.

Love is the only force capable of transforming an enemy into a friend.

因果关系的阶梯有三个梯级：观察、行动和想象。

The search for understanding the universe is a journey that never ends.

【释义】：骄傲不应过度，欲望不能放纵，享乐不能极端，志向不宜自满。