The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
质量不是一种行为,而是一种习惯。
Human capital is the most important asset any country has.
如果自由有任何意义的话,那就是告诉人们他们不想听的事情的权利。
一个值得追求的年度目标:充分学习一个领域,以至于你无法相信一年前有多么无知。