Abstraction is not just about hiding details; it's about creating a clear and concise model of the problem domain.

译文：山间的溪水容易上涨和退却，小人的心思容易反反复复。赏析：君子胸怀坦荡，光明磊落，真诚待人，和君子相处，如沐春风，让人心旷神怡。而小人心胸狭窄，鸡肠鼠肚，睚眦必报，和小人交往，无异于和豺狼同行。

Sometimes the most heroic act is simply to survive.

The most valuable resource in any organization is its people.

"Die größte Herausforderung beim Schreiben ist es, die richtigen Worte zu finden, um das Unsagbare auszudrücken."

The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.

Quality is not an act, it is a habit.

每一次技术突破都源于对未知的探索和坚持。