解析:知道自己还有所不知,这是很高明的。不知道却自以为知道,这就是很糟糕的。
"The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success."
Laugh, and the world laughs with you; weep, and you weep alone.