Isaiah 8:13,1 Peter 3:15

1 Peter 3:2 NIV
when they see the purity and reverence of your lives.

1 Samuel 12:7 NIV
Now then, stand here, because I am going to confront you with evidence before the Lord as to all the righteous acts performed by the Lord for you and your ancestors.

2 Timothy 2:25-26 NIV
Opponents must be gently instructed, in the hope that God will grant them repentance leading them to a knowledge of the truth, and that they will come to their senses and escape from the trap of the devil, who has taken them captive to do his will.

Colossians 4:6 NIV
Let your conversation be always full of grace, seasoned with salt, so that you may know how to answer everyone.

Luke 21:14-15 NIV
But make up your mind not to worry beforehand how you will defend yourselves. For I will give you words and wisdom that none of your adversaries will be able to resist or contradict.