今天种下的每一棵树,都是对明天的承诺。
Probability is determined both by the nature of our observations and by our conception of rationality.
"The only thing that is eternal is the now."
众人的好恶容易察明,但自身的缺点好恶则不易发现。
一个阅读的孩子是一个做梦的孩子。