My mouth shall speak of wisdom; and the meditation of my heart shall be of understanding. Psalm 49:3. https://bit.ly/kjvbibleapp

Speaking to yourselves in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord; Giving thanks always for all things unto God and the Father in the name of our Lord Jesus Christ; https://www.biblegateway.com/passage?search=Ephesians%205%3A19-Ephesians%205%3A20&version=KJV

Mark 7:20-23 KJV And he said, That which cometh out of the man, that defileth the man. [21] For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders, [22] Thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness: [23] All these evil things come from within, and defile the man.

Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life. John 5:24 KJV http://bible.com/1/jhn.5.24.KJV