The power of the relational model lies in its simplicity and generality.
关系模型的力量在于其简单性和通用性。
The strength of a team lies in its diversity of thought and experience.
心是脆弱的，但它也是我们最伟大力量的源泉。
用右手画圆形，左手画方形，不能同时画成
Technology must ultimately serve people and improve the quality of human life.
Learning is not simply the accumulation of knowledge but the transformation of understanding.
Quality is remembered long after the price is forgotten.