你必须对自己的能力有信心,然后足够坚强地坚持下去。
You have to have confidence in your ability, and then be tough enough to follow through.
The biggest room in the world is the room for improvement.
There are some things so serious you have to laugh at them.
计算机科学中最强大的工具不是计算机本身,而是人类的思维。