世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。
最重要的是做自己并享受乐趣。
The power of the image lies in its ability to evoke a world beyond itself.
数学中最深刻的定理往往有最简单的表述。
在生物圈的地质历史演化中,智慧圈是众多阶段的最后一个阶段。
A prophet is not without honor except in his own country and in his own house