教育的最高目标不是知识,而是行动。
If we treat the ocean as a limitless resource, we will soon find it is anything but.
量子世界不仅仅是经典世界的缩小版;它遵循完全不同的规则。
I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.