Romans 7:14
For we know that the law is spiritual: but I am carnal, having been sold under sin.
Matthew 12:34-35
O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.
Romans 7:12
So the law is indeed holy, and the commandment holy, and righteous, and good.
Ephesians 4:29
Let no corrupt communication go forth out of your mouth, but if anything is good unto edification of need, in order that he may give grace to those who hear.
Colossians 4:6
Let your word be always with grace, seasoned with salt, that you may know how it behooves you to answer each one.