成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
The history of science is the history of men correcting their mistakes.
What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.
The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.
A thriving forest is the ultimate measure of success.