Ephesians 4:32 

Be kind to one another, tenderhearted, forgiving one another, as God in Christ forgave you.

Luke 6:35 

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.

Proverbs 11:17 

A man who is kind benefits himself, but a cruel man hurts himself.

Colossians 3:12

Put on then, as God's chosen ones, holy and beloved, compassionate hearts, kindness, humility, meekness, and patience,

Proverbs 31:26 

She opens her mouth with wisdom, and the teaching of kindness is on her tongue.

1 Corinthians 13:4-7 

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.

Proverbs 19:17 

Whoever is generous to the poor lends to the Lord, and he will repay him for his deed.