心理与物理之间的界限并不像我们通常认为的那样清晰。
让人们快乐的最好方法就是让他们笑。
The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.
守住嘴巴,就跟拴紧瓶口一样。克制欲望,就像防守城池一般。