Happiness is not a right; it is a rare and precious exception.

每部电影都是一段旅程，你永远不知道它会带你去哪里。

A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.

释义：不能因为暂时的得意就自夸能力出众；也不能因为暂时的失意就丧失自己的志向。