你的时间有限，不要浪费在过别人的生活上。
"Your time is limited, don't waste it living someone else's life."
唯一能让你快乐的是你自己的心。
The best leaders don't create followers, they create more leaders.
儿童对活动的需要几乎比食物的需要更为强烈。
History isn't what happened. History is just what historians tell us.
What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.