Here are many Bible verses about kindness.

Be kind to one another, tenderhearted, forgiving one another, as God in Christ forgave you.- Ephesians 4:32

But love your enemies, and do good, and lend, expecting nothing in return, and your reward will be great, and you will be sons of the Most High, for he is kind to the ungrateful and the evil.- Luke 6:35

A man who is kind benefits himself, but a cruel man hurts himself.- Proverbs 11:17

Put on then, as God’s chosen ones, holy and beloved, compassionate hearts, kindness, humility, meekness, and patience,- Colossians 3:12

Love is patient and kind; love does not envy or boast; it is not arrogant or rude. It does not insist on its own way; it is not irritable or resentful; it does not rejoice at wrongdoing, but rejoices with the truth. Love bears all things, believes all things, hopes all things, endures all things.- 1 Corinthians 13:4-7

So then, as we have opportunity, let us do good to everyone, and especially to those who are of the household of faith.- Galatians 6:10

Or do you presume on the riches of his kindness and forbearance and patience, not knowing that God’s kindness is meant to lead you to repentance?- Romans 2:4

Whoever pursues righteousness and kindness will find life, righteousness, and honor.- Proverbs 21:21

Love one another with brotherly affection. Outdo one another in showing honor.- Romans 12:10

So that in the coming ages he might show the immeasurable riches of his grace in kindness toward us in Christ Jesus.- Ephesians 2:7

Blessed be the Lord, for he has wondrously shown his steadfast love to me when I was in a besieged city.- Psalm 31:21

It is well with the man who deals generously and lends; who conducts his affairs with justice.- Psalm 112:5

And let us not grow weary of doing good, for in due season we will reap, if we do not give up.- Galatians 6:9

They are to do good, to be rich in good works, to be generous and ready to share,- 1 Timothy 6:18

And if you lend to those from whom you expect to receive, what credit is that to you? Even sinners lend to sinners, to get back the same amount.- Luke 6:34