Ephesians 4:14-16 NRSV
14 We must no longer be children, tossed to and fro and blown about by every wind of doctrine by people’s trickery, by their craftiness in deceitful scheming; 15 but speaking the truth in love, we must grow up in every way into him who is the head, into Christ, 16 from whom the whole body, joined and knit together by every ligament with which it is equipped, as each part is working properly, promotes the body’s growth in building itself up in love.
Titus 2:7 NRSV
7 in all things, offering yourself as a model of good works and in your teaching offering integrity, gravity.
Matthew 12:35-37 NRSV
35 The good person brings good things out of a good treasure, and the evil person brings evil things out of an evil treasure. 36 I tell you, on the day of judgment you will have to give an account for every careless word you utter, 37 for by your words you will be justified, and by your words you will be condemned.”