Poems with educational significance

1. When will the Hundred Rivers enter the sea in the east and return to the west? If young people don't work hard, old people will be sad.

2, the night light is five more chickens, it is the time for men to learn. I don't know how to study hard early, but I regret learning late. Yan Zhenqing's "Persuasion"

The ancients learned nothing, and it will take a long time to get old. What they write on paper is superficial, and they never know that they have to do it. Lu You's Reading on a Winter Night taught me how to do it.