Matthew 5:16

Let your light shine before people in such a way that they may see your good deeds, and praise your Father in heaven.

1 Peter 2:12

Keep on living upright lives among the heathen, so that, when they slander you as evildoers, by what they see of your good deeds they may come to praise God on the judgment day.

1 Peter 3:16

and keep your conscience clear, so that those who bitterly abuse your excellent conduct as Christians may be ashamed of slandering you.

Treasury of Scripture Knowledge

Summary

Then Achish called David, and said unto him, Surely, as the LORD liveth, thou hast been upright, and thy going out and thy coming in with me in the host is good in my sight: for I have not found evil in thee since the day of thy coming unto me unto this day: nevertheless the lords favour thee not.

Bible References

Thou hast

Matthew 5:16
Let your light shine before people in such a way that they may see your good deeds, and praise your Father in heaven.
1 Peter 2:12
Keep on living upright lives among the heathen, so that, when they slander you as evildoers, by what they see of your good deeds they may come to praise God on the judgment day.
1 Peter 3:16
and keep your conscience clear, so that those who bitterly abuse your excellent conduct as Christians may be ashamed of slandering you.