科学进步必须以道德指南针为指导。
Scientific progress must be guided by a moral compass.
Those who dream by day are cognizant of many things which escape those who dream only by night.
60岁生日时对人生的感慨
我不喜欢做简单的事情。我喜欢做有挑战性并能推动我的事情。
War doesn't negate decency. It demands it, even more than in times of peace.
Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.
"The dead are more alive than we are, because they are complete."
