享受出现在无聊和焦虑之间的边界，当挑战与个人的行动能力刚好平衡时。
Enjoyment appears at the boundary between boredom and anxiety, when the challenges are just balanced with the person’s capacity to act.
生命太短暂了，没时间恨一个人那么久。
The paper industry has a responsibility to lead the way in environmental stewardship.
We must be free not because we claim freedom, but because we practice it.
The only person you should try to be better than is the person you were yesterday.
The mirror is not just a surface, it's a dimension.
The most important thing in the programming world is to keep learning and practicing.