What idioms are there with the word "world" and "generation"?

Idioms with world and generation characteristics are as follows

Year after year

[Hush, hush, dadada]

Generally refers to the cornerstone of the moral system passed down from generation to generation.

De Dai Ying

[Shi Dayi zā n y and ng]

All previous dynasties were the homes of high officials and rich people.

Generations of people have been reading books.

[Shi Da Yi Shi Xi āng]

Scholars from generation to generation.