No one can become fully aware of the very essence of another human being unless he loves him.
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.
I'm a survivor. I'm not gonna give up. I'm not gonna stop. I'm gonna work harder.
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
译文：经常想到这个世上还有人的处境不如我，还有人的命运不如我，就该知足感恩了；经常想到有人的德行操守超过我，有人的学问超过我，就该感到惭愧而发愤努力了。赏析：人的欲望是无穷的，也是难以满足的。很少有人做到知足常乐。人总是喜欢和其他人对比物质方面的东西，别人有的，也希望自己有。而学问，德行，却很少有人去反躬自省。
Life is a journey, and if you fall in love with the journey, you will be in love forever.
"Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence."