当人们说话时，要完全倾听。大多数人从不倾听。
The beauty of science lies in its ability to explain the natural world.
教师的任务是唤醒创造性表达和知识的乐趣。
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.