"The speed of learning is the only sustainable competitive advantage in today's world."

In the part of this universe that we know there is great injustice， and often the good suffer， and often the wicked prosper， and one hardly knows which of those is the more annoying.

计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们首先是问题。

Life is a canvas, paint it with your colors.