One isn't born one's self. One is born with mass of expectations, a mass of other people's ideas.
The most effective leaders are those who lead by example.
The most important tool in survival is not a knife or a fire starter. It’s your will to live.
历史不是发生了什么,而是我们记住了什么以及如何记住它。
Machinery is the great civilizer of our age.