如果你不改变，你就在落后。

The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.

The biggest reward is not financial gain, but the ability to impact people's lives in a positive way.

当你最不抱期望时，研究的坚持往往会带来回报。