And in vain do they worship me, teaching doctrines and precepts of men.

in vain.

1 Samuel 12:21 And turn not aside after vain things, which shall never profit you, nor deliver you, because they are vain.

Malachi 3:14 And you have said: What have we spoken against thee? You have said: He laboureth in vain that serveth God, and what profit is it that we have kept his ordinances, and that we have walked sorrowful before the Lord of hosts?

Matthew 6:7 And when you are praying, speak not much, as the heathens. For they think that in their much speaking they may be heard.

Matthew 15:9 And in vain do they worship me, teaching doctrines and commandments of men.

1 Corinthians 15:14,58 And if Christ be not risen again, then is our preaching vain: and your faith is also vain. . . .

Titus 3:9 But avoid foolish questions and genealogies and contentions and strivings about the law. For they are unprofitable and vain.

James 1:26 And if any man think himself to be religious, not bridling his tongue but deceiving his own heart, this man's religion is vain.

James 2:20 But wilt thou know, O vain man, that faith without works is dead?

the commandments.

Deuteronomy 12:32 What I command thee, that only do thou to the Lord: neither add any thing, nor diminish.

Colossians 2:22 Which all are unto destruction by the very use, according to the precepts and doctrines of men.

1 Timothy 4:1-3 Now the Spirit manifestly saith that in the last times some shall depart from the faith, giving heed to spirits of error and doctrines of devils, . . .

Revelation 14:11,12 And the smoke of their torments, shall ascend up for ever and ever: neither have they rest day nor night, who have adored the beast and his image and whoever receiveth the character of his name. . . .

Revelation 22:18 For I testify to every one that heareth the words of the prophecy of this book: If any man shall add to these things, God shall add unto him the plagues written in this book.