The best technology is invisible. It works so well that you don't even notice it.
Life is a leaf of paper white，thereon each of us may write his word or two.
The greatest risk is not taking one.
I’m a mom first, and everything else comes after.
Time erodes all such beauty, but what it cannot diminish… is the wonderful workings of your mind. Your humor, your kindness… and your moral courage.
判断两个λ表达式是否等价的问题是无法解决的。
心理学必须基于事实，而非假设。