1 John 3:7

3:7 Little children, let no one deceive you: The one who practices righteousness is righteous, just as Jesus is righteous.

1 John 3:10

3:10 By this the children of God and the children of the devil are revealed: Everyone who does not practice righteousness – the one who does not love his fellow Christian – is not of God.

Jeremiah 13:23

13:23 But there is little hope for you ever doing good,

you who are so accustomed to doing evil.

Can an Ethiopian change the color of his skin?

Can a leopard remove its spots?

Matthew 7:16-18

7:16 You will recognize them by their fruit. Grapes are not gathered from thorns or figs from thistles, are they? 7:17 In the same way, every good tree bears good fruit, but the bad tree bears bad fruit. 7:18 A good tree is not able to bear bad fruit, nor a bad tree to bear good fruit.

Acts 10:35

10:35 but in every nation the person who fears him and does what is right is welcomed before him.

Titus 2:12-14

2:12 It trains us to reject godless ways and worldly desires and to live self-controlled, upright, and godly lives in the present age, 2:13 as we wait for the happy fulfillment of our hope in the glorious appearing of our great God and Savior, Jesus Christ. 2:14 He gave himself for us to set us free from every kind of lawlessness and to purify for himself a people who are truly his, who are eager to do good.