I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

这种我们能创造一个每个人的能力都忠实地被分级，好的就到顶端，坏的就到底部，而且保证过程毫无差错，这是不可能的。这世上有太多偶然的契机，不同的机运，出身，疾病，从天而降的意外等等，我们却无法将这些因素分级，无法完全忠实的将人分级。

The purpose of mental activity is successful living.

Never underestimate the power of a single idea to transform the world.

The most important thing in communication is hearing what isn’t said.

人类的历史是在不同气候条件下为生存而斗争的记录。