"I don't think about the negatives. I just think about the positives."

奈奎斯特准则提供了一种图形方法来确定闭环系统的稳定性。

The way to learn about the mind is to reverse-engineer it: to figure out what natural selection designed it to accomplish.

Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.