所有事情都是可能的，直到它们被证明是不可能的，即使不可能的事情也可能只是如此，到目前为止。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.
过去的33年里，我每天早晨都会看着镜子问自己：“如果今天是我生命中的最后一天，我会想做今天将要做的事吗？”每当答案连续很多天都是“否”时，我知道我需要改变一些事情。
"A man is not old until regrets take the place of dreams."
Don't be afraid to give up the good to go for the great.