在认识到热是运动的一种形式后，没有人会怀疑热可以转化为机械效应。
One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.
The most valuable crop we can grow is the next generation of farmers.
如果你发现自己在想 "咦，我的好刀呢？”或者“我的好笔在哪里？" 这意味着你有的是坏的东西。把坏的扔掉吧。
The most important thing in the programming world is to keep learning and adapting to new technologies.
Psychology should illuminate how we cope with our environment.