科学没有国界，因为知识属于人类，是照亮世界的火炬。
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
To be a Jew is to be a witness.
The pursuit of knowledge is a journey that never ends.
成功不在于金钱或名声，而在于你对他人产生的影响。
唯一真正的智慧在于知道自己一无所知。