Combinatorics is the art of counting without counting.
组合数学是不用计数的计数艺术。
你必须愿意失败才能成功。
Old soldiers never die. They just fade away.
出自包天笑翻译的日本小说《不如归》中引用的古诗。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
最好的水产养殖实践是后代无需推翻的做法。
追求知识是一段没有终点的旅程。
We live in a world where everything is for sale, including our souls.
Always be willing to learn, because the moment you stop learning is the moment you stop growing.