【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。

Life is a journey, and if you fall in love with the journey, you will be in love forever.

To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.

编程界最重要的事情是不断学习并适应新技术。

Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

"The act of writing is an act of resistance against forgetting."

神经系统就像一个复杂的管弦乐队，每个神经元都在发挥自己的作用。