Matthew 15:9

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

Titus 1:14

not giving heed to Jewish fables, and commandments of men turning away from the truth.

Mark 7:7

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

1 Corinthians 15:2

by which you are also saved; which word I preached to you, if you hold it fast, otherwise you believed in vain.

Colossians 2:18-22

Let no one purposely rob you of your prize by humiliation and worship of the angels, trusting in those things which he has seen, being vainly puffed up by the mind of his depravity,

1 Timothy 1:4

nor to give heed to fables and endless genealogies, which present questions, rather than the economy of God which is in faith:

1 Timothy 4:1-3

But the Spirit says positively, that in the last times certain ones will depart from the faith, giving heed to seducing spirits and to the teachings of demons,

1 Timothy 4:6-7

Submitting these things to the brethren, you will be a beautiful minister of Jesus Christ, being nourished by the words of faith, and the beautiful teaching which you have followed;

Hebrews 13:9

Be not carried away with fantastical and strange teachings: for it is good that the heart be established with grace; not with meats, in which those going round were not profited.

James 2:20

Do you wish to know, O vain man, that faith apart from works is inefficient?

Revelation 22:18

I testify to every one hearing the words of the prophecy of this book. If any one may add to these things, God will add unto him the plagues which are written 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
In vain do they worship me, teaching for doctrines the commandments of men.
1 Corinthians 15:2
by which you are also saved; which word I preached to you, if you hold it fast, otherwise you believed in vain.
James 2:20
Do you wish to know, O vain man, that faith apart from works is inefficient?

Teaching

Colossians 2:18
Let no one purposely rob you of your prize by humiliation and worship of the angels, trusting in those things which he has seen, being vainly puffed up by the mind of his depravity,
1 Timothy 1:4
nor to give heed to fables and endless genealogies, which present questions, rather than the economy of God which is in faith:
1 Timothy 4:1
But the Spirit says positively, that in the last times certain ones will depart from the faith, giving heed to seducing spirits and to the teachings of demons,
Titus 1:14
not giving heed to Jewish fables, and commandments of men turning away from the truth.
Hebrews 13:9
Be not carried away with fantastical and strange teachings: for it is good that the heart be established with grace; not with meats, in which those going round were not profited.
Revelation 22:18
I testify to every one hearing the words of the prophecy of this book. If any one may add to these things, God will add unto him the plagues which are written in this book:

General references

1 Corinthians 15:14
but if Christ is not risen, then indeed is our preaching vain, and your faith is vain.