I wonder how many people I've looked at all my life and never seen.
我想知道,我一生中见过多少人,却从未真正看见过他们。
简单不是缺乏复杂性,而是对复杂性的解决。
"The difference between correlation and causation is fundamental in empirical work."
In mathematics, you don't understand things. You just get used to them.
Sometimes you just have to take a leap of faith and believe in yourself.