Life would be too smooth if it had no rubs in it.

Every equation we write is a small step towards understanding the cosmos, but the journey is infinite.

In computer science, the simplest solution is often the most elegant and effective.

Try to learn something about everything and everything about something.  

你不能只问顾客要什么，然后想法子给他们做什么。等你做出来，他们已经另有新欢了。