学习数学的最好方法就是去做数学。
社会学的功能，如同每一门科学一样，是揭示隐藏的事物。
Enterprises must dare to break through traditional thinking and use new technologies to reshape the industry landscape.
"To live is the rarest thing in the world. Most people exist, that is all."
The greatest threat to our forests is not logging, but indifference.