Suffering! We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.

The beauty of physics lies in its ability to explain the universe with a few simple principles.

成功的真正标准是为子孙后代留下积极的遗产。

我不画我所看到的，我画我所感受到的。