The past is never dead. It's not even past.
The thrill of discovery never gets old.
一支最甜美的歌，往往是用于歌颂最悲伤思维的歌。
可能世界是被规定的，而不是通过强大的望远镜发现的。
There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.
I'm not a saint, but I'm not a sinner either.