"The difference between correlation and causation is fundamental in empirical work."

“唯一干扰我学习的是我的教育。”

巧妙的欺诈不如笨拙的诚实

The best works of art are those that continue to reveal new meanings over time.

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

创新来自于挑战现状并愿意承担风险。