I don't really think about age. I think people are as old as they feel and act.
I'm an occasional drinker, the kind of guy who goes out for a beer and wakes up in Singapore with a full beard.
朗兰兹纲领不是一个理论,而是一个由猜想和定理构成的网络,如果完全建立起来,它将统一数论和表示论。
Happiness is not the absence of problems but the ability to deal with them.