1. "Qing Suo Gao Yi" by Liu Fu of the Song Dynasty: The waves behind the Yangtze River push the waves ahead, and new people replace the old ones.

Interpretation: New people and things that have accumulated a certain amount of accumulation promote the development of old people and things in certain aspects. New people and things with certain qualifications are better than old people and things.

2. Pre-Qin Xunzi's "Encouragement to Learning": Ice is made of water, and cold is made of water.

Explanation: Ice is formed by the condensation of water, but it is colder than water.

3. "On Poetry" by Zhao Yi of the Qing Dynasty: Talented people emerged from generation to generation, each leading the way for hundreds of years.

Explanation: The country has many talented poets from generation to generation, and their poems, articles and fame will be passed down for hundreds of years (famous for generations).

Extended information:

The profound truth of "a young person is better than a young person": people can improve after learning or education. It is often used to describe students surpassing teachers or future generations being better than predecessors.

It reflects that everything develops, and things have a process of movement and change from small to large, from simple to complex, from low-level to high-level, and from old matter to new matter. The cause of the development of things is the universality of the connection between things, and the root of the development of things is the internal contradiction of things, that is, the internal causes of things.

Materialist dialectics believes that matter is moving matter, movement is the fundamental attribute of matter, and forward, upward, and progressive movement is development. The root of development is the internal contradiction of things.