Titus 1:16
they make a profession of knowing God; but in fact they deny him, being execrably incredulous, and utter strangers to all virtue.
Hebrews 12:23
the church of the first-born who are enroll'd in heaven, to God the judge of all, to the spirits of just men made perfect,
2 Peter 2:1
As there were false prophets among the people of Israel, there will likewise be false doctors among you, who by introducing pernicious sects, and by renouncing the Lord, who bought them, will bring upon themselves swift destruction.
1 John 2:23
whosoever denieth the son, disowns the father:
Jude 1:4
For certain men have insinuated themselves among you, who were formerly proscrib'd to be punish'd; impious men, who pervert the divine favour to licentiousness, and renounce their only master, and Jesus Christ our Lord.