用言辞做事并不是一种特殊的做事方式，而是一种特殊的说话方式。
To do things with words is not a special kind of doing， but a special kind of speaking.
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))。
The only way to overcome obstacles is to face them head-on.
计算机科学的挑战不仅在于构建更快的机器，更在于理解计算可能性的基本结构。
One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.
"Fill your paper with the breathings of your heart."