数学中最重要的技能是提出正确问题的能力。
The most important skill in mathematics is the ability to ask the right questions.
The secret of joy in work is contained in one word – excellence. To know how to do something well is to enjoy it.
We don't inherit the earth from our ancestors; we borrow it from our children. Let's return it better.
I grew up on the land, and I knew what hunger was.
If you never want to be criticized， for goodness' sake don't do anything new.
