1. Among all moral qualities, a kind nature is the most needed in the world. (Russell)

2. beginning of life is inherently good. (three-character classics)

3. Don't be good and small. (Liu Bei)

As for the argument, the best way is the good deed itself, such as

1. Sun Shuao killed the snake.

2. King Hui of Chu swallowed leeches.

3. Qu Yuan fills the gap with rice.

4. Song Renzong is thirsty.

5. The Buddha gave his life to feed the tiger.

Without exception, these stories have exerted a subtle influence on people's behavior, and become beautiful stories that have been passed down to this day and virtues that people admire.

Extended information

Famous sayings about kindness:

1. Kindness, like using tools, is a basic feature that distinguishes human beings from animals, but goodness is not a tool and cannot be used as a tool. Goodness comes from the dual influence of social environment and family environment. Conversely, it is impossible to produce goodness without a good social and family environment. Goodness is not instinct, and innate goodness can only be formed imperceptibly through acquired education, and forced indoctrination is useless.

2. People who are kind, loyal and full of love constantly bring happiness to the world. -Mark Twain

3. A kind heart is the sun. -Hugo

4. The more goodness in life, the more interest in life itself. The two are in harmony and complement each other. -Tolstoy

5. But only good character will never be excessive for god or man. -bacon

6. Good behavior ennobles the soul. -Rousseau

7. The most beautiful music of the soul is kindness! -(France) romain rolland

Baidu Encyclopedia-San Zi Jing