子曰：“吾十有五而志于学，三十而立，四十而不惑，五十而知天命，六十而耳顺，七十而从心所欲，不逾矩。”
孔子说：“我十五岁立志于学习，三十岁有所建树，四十岁不困惑，五十理解自然规律，六十明辨是非，七十随心所欲，不违规。”
The truth will set you free. But not until it is finished with you.
We are all migrants through time.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
The most rewarding part of my job is seeing our medicines make a difference in people's lives.
贪婪和对权力的渴望带来了战争和世界上的困扰。
在我们生命的不同阶段，我们都会变成完全不同的人。