理论最重要的一点是它能解释事实。
The most important thing about a theory is that it explains the facts.
The P versus NP problem is one of the most important unsolved problems in computer science.
解析：菩提比喻智慧，明镜比喻清净心。本来清净，又哪里会染上什么尘埃？
We made gods of men and they leave us. Others make brutes of them and they fawn and are faithful.
The more powerful and lively that our idea of God is， the more it will affect our life and character.