Books are good, but it must be remembered that books catch? Citation is a book, you have to use your own brains. -Gorky's On Earth means that we should not read blindly, but use our brains to read. Only in this way can we absorb knowledge. Learning is bright. -Gorky's Fallen People means that we should learn knowledge, no matter how poor or tired we are, and knowledge will bring us light!

3

An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time. -it means that gold is precious, but gold can't buy time, which shows that time is the most precious. We should cherish time and don't waste it.

4

It is well known in the world to take it, but we don't know how to take it.

-

meaning of "The Book of Later Han Dynasty": People all think that only what they get from others is a harvest, but they don't know that giving to others is also a harvest.

5

People are inherently mortal, either heavier than Mount Tai or lighter than a feather.

-Han Sima Qian's Letter to Ren An (Changqing)

Meaning: After all, people are bound to die, but the value of death is different. To die for the just cause of the people is heavier than Mount Tai, while those who are selfish and harm others are lighter than a feather.

6

. Sheep have the grace of kneeling and nursing, while crows have the meaning of feeding back.

-

The meaning of "Augmented Sage" means that lambs are grateful to kneel down to receive breast milk, and little crows have the kindness to feed their mother crows. Children should know how to be filial to their parents.