Throw in a peach and repay with a plum.

The kindness of a drop of water should be repaid by a spring.

Dedicate yourself to death. (Zhuge Liang's "The Master's Guide")

The crow has the meaning of feeding back, and the sheep know the kindness of kneeling to breast

Who says that the heart of an inch of grass will be rewarded with three springs of sunshine. If a person receives great kindness and If he later turned against his benefactor, he would have to take care of his own dignity and must be more vicious than an unrelated stranger. He would have to prove the other person's guilt to explain his ruthlessness - Thackeray

Thank you. The least of virtues, ingratitude is the worst of vices - English proverb A bee sips nectar from a flower and leaves with a grateful thanksgiving. The flamboyant butterfly believes that the flower should thank him. —— Rabindranath Tagore

When people help me, I will never forget it; when I help others, I will never forget it.

—— Hua Luogeng

Every kind of favor has a barb, which will hook the mouth that swallows the favor. The benefactor can drag him wherever he wants—— Tang En

Ingratitude is worse than lying, vanity, gossip, drunkenness or other evils that exist in the weak heart - British proverb

Scoops are always ungrateful: ungratefulness is what it is The despicable part - Hugo

An ungrateful person cannot be saved when he is in trouble - Greek proverb