发现说谎者悖论及相关悖论使人们认识到,直觉上的真理概念并不像乍看起来那么简单。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
"Every saint has a past, and every sinner has a future."
如果我们想养活世界,就必须投资于更智能的畜牧方式。
人们思考得越少,他们说得越多。
让中国人吃饱饭是我们这代科学家的使命。