Live simply so that others may simply live.
简单的生活是高层次的思考。
"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."
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
我一直想成为最好的，但我也想成为我自己。