A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...
我每天提醒自己一百遍，我的生活，不管内在或是外在，都是以他人(包括活着的和逝去的)努力的成果为基础。所以我必须尽力奉献自己，希望能以同等的贡献，来回报长久以来从他人身上所获得的一切。
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
唯一真正的智慧是知道你一无所知。
恐惧会禁锢你，希望则能让你自由。
你们会墨守陈规，还是勇于创新？
真相很少是纯粹的，也从不简单。