每个人出生时都是许多人，死去时却只是一个人。

Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night and won't see the sun of the day after tomorrow.

The true artist will let his wife starve, his children go barefoot, his mother drudge for his living at seventy, sooner than work at anything but his art.

The language of chemistry is universal, transcending borders and cultures.

想象力比知识更重要。