孔子说：“君子团结群众而不拉帮结派，小人拉帮结派而不团结群众。”
In times of crisis, transparency builds trust faster than any PR campaign.
At the core of all anger is a need that is not being fulfilled.
Mathematics is not a spectator sport. You have to get involved.
正义：不做伤害别人的事情，做有益的事情是你的责任。
创新既需要勇气，也需要耐心。