Titus 2:8

sound argument not to be condemned, that the adversary may be ashamed, having nothing evil to say of us.

1 Peter 2:12

having your conduct honorable among the gentiles, that wherein they speak against you as evil-doers, from the good works which they see they may glorify God in the day of visitation,

2 Thessalonians 3:14

But if any one obeys not our word by this epistle, mark that one, and have no association with him, that he may be ashamed;

1 Timothy 5:14

I wish therefore the younger women to marry, bear children, keep house, give no occasion of reproach to the enemy;

1 Timothy 6:3

If any one teaches differently, and consents not to sound words, the words of our Lord Jesus Christ, and the doctrine which is according to piety,

1 Peter 3:16

having a good conscience, that in what they speak evil of you they may be ashamed who slander your good conduct in Christ.

Mark 12:17

And Jesus said, Render Caesar's dues to Caesar, and God's to God. And they wondered at him.

Mark 12:28

And one of the scribes coming forward hearing them disputing, knowing that he answered them well, asked him, What commandment is first of all?

Mark 12:32

And the scribe said to him, Well, teacher, you have said truly; there is one [God], and no other but him;

Mark 12:34

And Jesus seeing him, that he answered understandingly, said to him, You are not far from the kingdom of God; and no one dared to question him more.

Luke 13:17

And when he had said these things all his enemies were ashamed; and all the people rejoiced on account of all the glorious works performed by him.

Philippians 2:14-16

Do all things without complainings and disputations,

1 Peter 2:15

for this is the will of God, that by well-doing you may silence the ignorance of foolish men;

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
I wish therefore the younger women to marry, bear children, keep house, give no occasion of reproach to the enemy;
1 Peter 2:12
having your conduct honorable among the gentiles, that wherein they speak against you as evil-doers, from the good works which they see they may glorify God in the day of visitation,
1 Peter 3:16
having a good conscience, that in what they speak evil of you they may be ashamed who slander your good conduct in Christ.

May

Luke 13:17
And when he had said these things all his enemies were ashamed; and all the people rejoiced on account of all the glorious works performed by him.
2 Thessalonians 3:14
But if any one obeys not our word by this epistle, mark that one, and have no association with him, that he may be ashamed;

Having

Philippians 2:14
Do all things without complainings and disputations,