Words are wise men's counters, they do but reckon by them; but they are the money of fools.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

很难想象有谁不曾一度因爱或因缺乏爱而萎靡不振。

The only way to do great work is to love what you do.

心智通过练习而非被动吸收而成长。