永远记住每次成功都可能导致你的失败，每次失败好好接受教训，也许就会走向成功。

Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.

The unexamined life is not worth living.

设想英雄到了晚年，不住在温柔乡还能住在哪里。