数学真理是普遍而永恒的。
——温铁军谈“农业现代化与小农经济的基础是根本矛盾的”
尽可能广泛地涉猎各门学问,并且尽可能深入地择一钻研。
When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.