Ephesians 6:4
And, fathers, provoke not your children, but bring them up in the instruction and admonition of the Lord.
Matthew 12:35
The good man, out of his good treasury, casts forth good things; and the evil man, out of his evil treasury, casts forth evil things.
Luke 6:45
The good man out of the good treasury of his heart brings forth good, and the evil man out of the evil brings forth evil; for out of the abundance of the heart its mouth speaks.
Ephesians 4:29
Let no evil word proceed out of your mouth, but that which is good for useful edification, that it may afford benefit to those that hear.
Colossians 4:6
Let your words always be with kindness, seasoned with salt, that you may know how to answer every one.
1 Peter 3:15
and sanctify the anointed Lord in your hearts, and be always ready with a defense to every one that asks you a reason for the hope that is in you; but with meekness and fear,