道德修养的最高境界，是认识到我们必须控制自己的思想。
Everyone on earth has a treasure that awaits him.
如果你害怕，就去教堂吧。
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.
The man who does not work for the love of work but only for money is not likely to make money nor to find much fun in life.
我们对未来持乐观态度，但我们知道仅靠乐观是不够的。