忧愁在我心中沉寂平静，正如黄昏在寂静的林中。
Sorrow is hushed into peace in my heart like the evening among the silent trees.
Never underestimate the power of a single breakthrough to change millions of lives.
乐观是一种可以学习的技能。一旦你学会了它，你就能在各个方面改善你的生活。
我不是说唱歌手，我是一个电视明星。
对我们星球最大的威胁是相信别人会拯救它。
To understand the present, we must understand the past.
The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.
我了解到你必须足够坚强才能独自站立，足够聪明才能知道何时需要帮助，并且足够勇敢去寻求帮助。