Topology is the study of the properties of a figure that are unchanged by any deformation.

Bidders in an auction are like players in a game—the rules shape their strategies.

The writer’s duty is to speak for those who cannot.

The quality of your life is determined by the quality of your relationships.

Collaboration across industries is key to solving global food challenges.

You have to be willing to suffer to achieve something great.

政事分散在地方，但大权集中在中央

不可因为个人喜欢而滥赏，不可因为个人恼怒而诛杀。