And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

盈利和责任不是对立的；它们是一枚硬币的两面。

The first man who， having fenced in a piece of land， said 'This is mine，' and found people naïve enough to believe him， that man was the true founder of civil society.

你必须对自己的能力有信心，然后足够坚强地坚持下去。