The most important skill in mathematics is the ability to ask the right questions.
数学中最重要的技能是提出正确问题的能力。
故事没有开始或结束:人们任意选择那个经验时刻来回顾或展望。
The best leaders are those who listen more than they speak.
Stay focused on what you can control, and don’t waste energy on what you can’t.