Mathematics is a collaborative endeavor. No one does it alone.
数学是一项协作的努力。没有人可以单独完成。
A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.
环境适应自己性情的人是快乐的,而能使自己的性情适应所有环境的人是更优秀的。
We must balance economic growth with environmental responsibility.