Matthew 15:9

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

Titus 1:14

not attending to Jewish fables, and injunctions of men, who have turned away from the truth.

Mark 7:7

Now vainly do they worship me, while teaching doctrines the commandments of men."

1 Corinthians 15:2

by which also ye are saved; if ye cleave to that word I have preached to you, except haply ye have believed in vain.

Colossians 2:18-22

Let no man juggle you out of your prize, voluntary in [his] humility and the worship of angels, intruding into things which he never saw, vainly puffed up by his carnal imagination;

1 Timothy 1:4

nor to attend to fables and endless genealogies, which give occasion to disputes rather than godly edification, which is by faith; [so do].

1 Timothy 4:1-3

NOW the Spirit speaketh expresly, that in the latter days some will apostatise from the faith, giving heed to spirits of delusion, and doctrines of devils;

1 Timothy 4:6-7

If thou suggest these truths to the brethren, thou shalt be a good minister of Jesus Christ, nourished up in the words of faith and sound doctrine, whereunto thou hast attained.

Hebrews 13:9

Be not tossed about by various and strange doctrines: for it is good to have the heart firmly established by grace, not by meats, in which observances they who have walked have found no manner of advantage.

James 2:20

But wilt thou know, O vain man, that faith without works is dead?

Revelation 22:18

For I testify to every one who heareth the words of the prophecy of this book, If any man add to these things, God will lay upon him the plagues that 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
Now vainly do they worship me, while teaching doctrines the commandments of men."
1 Corinthians 15:2
by which also ye are saved; if ye cleave to that word I have preached to you, except haply ye have believed in vain.
James 2:20
But wilt thou know, O vain man, that faith without works is dead?

Teaching

Colossians 2:18
Let no man juggle you out of your prize, voluntary in [his] humility and the worship of angels, intruding into things which he never saw, vainly puffed up by his carnal imagination;
1 Timothy 1:4
nor to attend to fables and endless genealogies, which give occasion to disputes rather than godly edification, which is by faith; [so do].
1 Timothy 4:1
NOW the Spirit speaketh expresly, that in the latter days some will apostatise from the faith, giving heed to spirits of delusion, and doctrines of devils;
Titus 1:14
not attending to Jewish fables, and injunctions of men, who have turned away from the truth.
Hebrews 13:9
Be not tossed about by various and strange doctrines: for it is good to have the heart firmly established by grace, not by meats, in which observances they who have walked have found no manner of advantage.
Revelation 22:18
For I testify to every one who heareth the words of the prophecy of this book, If any man add to these things, God will lay upon him the plagues that are written in this book:

General references

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