知足者常乐，追求无止境的欲望永无满足。
He who is content is always happy; endless desires never find satisfaction.
What you are you do not see,what you see is your shadow,
You have to believe in yourself, even when no one else does.
交往行为的理性是通过对有效性主张的主体间承认来衡量的。
道德越少，财富就越多；财富越少，道德就越多。
2008：贝索斯致股东信《逆向工作法 VS 技能导向法》
不要害怕放弃好的，去追求伟大的。