Punish evil and encourage good. ——Zuo Qiuming's "Zuo Zhuan"

A kind heart is gold. ——Shakespeare

A kind heart is the sun. ——Hugo

Good things cannot be lost and evil things cannot last. ——Zuo Zhuan

Those who are kind to others will also be kind to others. ——Guan Zhong

I think the virtue of benefiting others is kindness. ——Bacon

To do good is to ascend, to do evil is to collapse. ——Zuo Zhuan

Kind deeds ennoble the human soul. ——Rousseau

Virtue and good deeds are the only unbeatable investment. ——Thoreau

To be rich is not kind, and to be kind is not rich. ——Ze'an

A word of kindness is worth more than a thousand pieces of gold.

——Jin·Gehong