Matthew 15:9

but it is in vain they worship Me, while they lay down precepts which are mere human rules.'"

Titus 1:14

and not give attention to Jewish legends and the maxims of men who turn their backs on the truth.

Mark 7:7

But idle is their devotion while they lay down precepts which are mere human rules.'

1 Corinthians 15:2

through which also you are obtaining salvation, if you bear in mind the words in which I proclaimed it--unless indeed your faith has been unreal from the very first.

Colossians 2:18-22

Let no one defraud you of your prize, priding himself on his humility and on his worship of the angels, and taking his stand on the visions he has seen, and idly puffed up with his unspiritual thoughts.

1 Timothy 1:4

and the attention they bestow on mere fables and endless pedigrees, such as lead to controversy rather than to a true stewardship for God, which only exists where there is faith. And I make the same request now.

1 Timothy 4:1-3

Now the Spirit expressly declares that in later times some will fall away from the faith, giving heed to deceiving spirits and the teachings of demons;

1 Timothy 4:6-7

If you warn the brethren of these dangers you will be a good and faithful servant of Christ Jesus, inwardly feeding on the lessons of the faith and of the sound teaching of which you have been, and are, so close a follower.

Hebrews 13:9

Do not be drawn aside by all sorts of strange teaching; for it is well to have the heart made stedfast through God's grace, and not by special kinds of food, from which those who scrupulously attend to them have derived no benefit.

James 2:20

But, idle boaster, are you willing to be taught how it is that faith apart from obedience is worthless? Take the case of Abraham our forefather.

Revelation 22:18

"I solemnly declare to every one who hears the words of the prophecy contained in this book, that if any one adds to those words, God will add to him the plagues spoken of in this book;

Treasury of Scripture Knowledge

Summary

But in vain they do worship me, teaching for doctrines the commandments of men.

General references

Bible References

In

Mark 7:7
But idle is their devotion while they lay down precepts which are mere human rules.'
1 Corinthians 15:2
through which also you are obtaining salvation, if you bear in mind the words in which I proclaimed it--unless indeed your faith has been unreal from the very first.
James 2:20
But, idle boaster, are you willing to be taught how it is that faith apart from obedience is worthless? Take the case of Abraham our forefather.

Teaching

Colossians 2:18
Let no one defraud you of your prize, priding himself on his humility and on his worship of the angels, and taking his stand on the visions he has seen, and idly puffed up with his unspiritual thoughts.
1 Timothy 1:4
and the attention they bestow on mere fables and endless pedigrees, such as lead to controversy rather than to a true stewardship for God, which only exists where there is faith. And I make the same request now.
1 Timothy 4:1
Now the Spirit expressly declares that in later times some will fall away from the faith, giving heed to deceiving spirits and the teachings of demons;
Titus 1:14
and not give attention to Jewish legends and the maxims of men who turn their backs on the truth.
Hebrews 13:9
Do not be drawn aside by all sorts of strange teaching; for it is well to have the heart made stedfast through God's grace, and not by special kinds of food, from which those who scrupulously attend to them have derived no benefit.
Revelation 22:18
"I solemnly declare to every one who hears the words of the prophecy contained in this book, that if any one adds to those words, God will add to him the plagues spoken of in this book;

General references

1 Corinthians 15:14
And if Christ has not risen, it follows that what we preach is a delusion, and that your faith also is a delusion.