你不必完美也能很了不起。

Happiness comes from within, not from material things.

快乐的最好方法是活出真实的自己。

Swifter， higher， stronger.

History is not just the story of the past, but a mirror to the present and a window to the future.

每一个实验，即使是失败的，也会教会你一些有价值的东西。