种树的最佳时间是25年前,第二好的时间是今天。
The best time to plant a tree was 25 years ago. The second best time is today.
科学与社会的对话必须持续进行。
文学的力量在于它能够让我们看到自己无法直接体验的生活。
Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
The earth is a dot. The moon is a dot. The sun is a dot. The stars are dots.
The truth is often hidden in the shadows, and it takes courage to find it.
我做事情不是为了得到反应或批评,我是为了长远的坚持。