Give instruction to a wise man, and he will be yet wiser: teach a just man, and he will increase in learning.
Proverbs 10:17He is in the way of life that keepeth instruction: but he that refuseth reproof erreth.
Proverbs 13:20He that walketh with wise men shall be wise: but a companion of fools shall be destroyed.
Proverbs 27:17Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
Matthew 5:13Ye are the salt of the earth: but if the salt have lost his savour, wherewith shall it be salted? it is thenceforth good for nothing, but to be cast out, and to be trodden under foot of men.
1 Corinthians 15:33Be not deceived: evil communications corrupt good manners.
Galatians 5:7Ye did run well; who did hinder you that ye should not obey the truth?
1 Peter 2:12Having your conversation honest among the Gentiles: that, whereas they speak against you as evildoers, they may by your good works, which they shall behold, glorify God in the day of visitation.
1 Peter 3:15But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asketh you a reason of the hope that is in you with meekness and fear:
1 Peter 3:16Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.