我喜欢狗。你总是知道狗在想什么。它有四种情绪：开心、难过、生气和专注。
I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating.
To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.
朗兰兹纲领是对探索数学未知领域的邀请。
"Every like, comment, and share from my fans means the world to me—it's like getting a little hug through the screen."
The best way to predict the future is to implement it.