Tradition and modernity are not opposites; they can coexist and enrich each other.
做数学就是同时参与创造和发现的行为。
美不是奢侈品,而是灵魂的必需品。
Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.
Cheerfulness is the best promoter of health and is as friendly to the mind as to the body.