"Life, he realize, was much like a song. In the beginning there is mystery, in the end there is confirmation, but it's in the middle where all the emotion resides to make the whole thing worthwhile."

The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.

真相常常令人不适，但它是必要的。

The supreme happiness of life is the conviction that we are loved.

世界这么大，人生这么长，总会有这么一个人，让你想要温柔地对待。