The best way to learn is by doing—get your hands dirty in the lab.

我希望太平洋就和我梦中所见的一样蔚蓝。

I think of a hero as someone who understands the degree of responsibility that comes with his freedom.

历史实际上不过是人类罪行、愚蠢和不幸的记录册。

比喻做事要专心致志，不能一心二用。