I don't really think about age. I think people are as old as they feel and act.
The best songs are the ones that make you feel alive.
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.
即便这世界明天就要毁灭,我今天仍然要种下一株小苹果树!
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.
Patience is the key to successful investing.