If you can't explain your chemistry to a non-scientist, you don't understand it well enough.
The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.
一个伟大的剪辑可以将一部好电影变成杰作。
The trouble with her is that she lacks the power of conversation but not the power of speech.
Every sentence carries the weight of all the words left unsaid.