Titus 2:8

let your message be wholesome and unobjectionable, so that our opponent may be put to shame at having nothing evil to say about us.

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.

2 Thessalonians 3:14

If anyone refuses to obey what we have said in this letter, mark that person and stop having anything to do with him, so that he will feel ashamed of it.

1 Timothy 5:14

So I would have the younger women marry, have children, and keep house, so as not to give our opponents any occasion for slander.

1 Timothy 6:3

If anyone teaches different doctrines and refuses to agree with the wholesome messages of our Lord Jesus Christ, the teaching that is in accordance with true religion,

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.

Mark 12:17

So He said, "Pay Caesar what belongs to Caesar, and pay God what belongs to God." And they were utterly dumbfounded at Him.

Mark 12:28

Then one of the scribes, on hearing them arguing, came up, and since he saw that Jesus had answered them properly, he asked Him, "What sort of command is the first of all commands?"

Mark 12:32

Then the scribe said to Him, "Indeed, Teacher, you have properly said that He is one by Himself, and there is no other but Him,

Mark 12:34

So Jesus said to him, as He saw that he had answered thoughtfully, "You are not far from the kingdom of God." And no one ventured to ask Him any more questions.

Luke 13:17

Even while He was saying this, His opponents were blushing with shame, but all the people were rejoicing over all the glorious things that were being done by Him.

Philippians 2:14-16

Practice doing everything without grumbling and disputing,

1 Peter 2:15

For it is God's will that by doing right you should silence the ignorant talk of foolish people.

Treasury of Scripture Knowledge

Summary

Sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of you.

Bible References

That he

1 Timothy 5:14
So I would have the younger women marry, have children, and keep house, so as not to give our opponents any occasion for slander.
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.

May

Luke 13:17
Even while He was saying this, His opponents were blushing with shame, but all the people were rejoicing over all the glorious things that were being done by Him.
2 Thessalonians 3:14
If anyone refuses to obey what we have said in this letter, mark that person and stop having anything to do with him, so that he will feel ashamed of it.

Having

Philippians 2:14
Practice doing everything without grumbling and disputing,