Despicable people are always ungrateful: ingratitude is a part of being despicable. ——Hugo

An ungrateful person cannot be saved if he is in trouble. ——Greek proverb

Thanksgiving is the least of virtues, and ingratitude is the worst of vices. ——British proverb

Life needs a grateful heart to create, and a grateful heart needs life to nourish. ——Wang Fu

When people help me, I will never forget it; when I help others, I won’t forget it. ——Hua Luogeng

Ingratitude is more powerful than lying, vanity, gossip, alcoholism or other evils that exist in the hearts of fragile people. ——British Proverb

Thanks to fate, to the people, to ideas, to everyone I want to thank. ——Lu Xun

Gratitude is the health of the soul. ——Nietzsche

There is no real virtue without gratitude. ——Rousseau

Being a human being is like a candle. It has some heat and some light, giving people light and warmth. ——Xiao Chunu

The bees sipped honey from the flowers and thanked them Yingying when they left. The flamboyant butterfly believes that the flower should thank him. ——Tagore

How similar mothers are all over the world! Their hearts are always the same, they both have an extremely pure and innocent heart. ——Whitman

Every favor has a barb that catches the mouth that devours it, and drags it wherever the benefactor wants. ——Tang En

A drop of kindness should be repaid by a spring. ——"Zengguang Xianwen Zhu Xi's Family Instructions"

Throw a peach and repay a plum. ——Proverb