Ecclesiastes 5:6

Do not let your speech cause you to sin and do not say in the presence of the messenger of God that it was a mistake. Why should God be angry on account of your voice and destroy the work of your hands?

1 Corinthians 11:10

Therefore the woman ought to have a symbol of authority on her head, because of the angels.

Genesis 48:16

The angel who has redeemed me from all evil,
Bless the lads;
And may my name live on in them,
And the names of my fathers Abraham and Isaac;
And may they grow into a multitude in the midst of the earth.”

Leviticus 5:4-6

Or if a person swears thoughtlessly with his lips to do evil or to do good, in whatever matter a man may speak thoughtlessly with an oath, and it is hidden from him, and then he comes to know it, he will be guilty in one of these.

Leviticus 27:9-10

‘Now if it is an animal of the kind which men can present as an offering to the Lord, any such that one gives to the Lord shall be holy.

Numbers 15:25

Then the priest shall make atonement for all the congregation of the sons of Israel, and they will be forgiven; for it was an error, and they have brought their offering, an offering by fire to the Lord, and their sin offering before the Lord, for their error.

Ecclesiastes 5:1-2

Guard your steps as you go to the house of God and draw near to listen rather than to offer the sacrifice of fools; for they do not know they are doing evil.

Hosea 12:4-5

Yes, he wrestled with the angel and prevailed;
He wept and sought His favor.
He found Him at Bethel
And there He spoke with us,

Haggai 1:9-11

You look for much, but behold, it comes to little; when you bring it home, I blow it away. Why?” declares the Lord of hosts, “Because of My house which lies desolate, while each of you runs to his own house.

Haggai 2:14-17

Then Haggai said, “‘So is this people. And so is this nation before Me,’ declares the Lord, ‘and so is every work of their hands; and what they offer there is unclean.

Malachi 2:7

For the lips of a priest should preserve knowledge, and men should seek instruction from his mouth; for he is the messenger of the Lord of hosts.

Malachi 3:1

Behold, I am going to send My messenger, and he will clear the way before Me. And the Lord, whom you seek, will suddenly come to His temple; and the messenger of the covenant, in whom you delight, behold, He is coming,” says the Lord of hosts.

Acts 7:30-35

“After forty years had passed, an angel appeared to him in the wilderness of Mount Sinai, in the flame of a burning thorn bush.

1 Corinthians 3:13-15

each man’s work will become evident; for the day will show it because it is to be revealed with fire, and the fire itself will test the quality of each man’s work.

1 Timothy 5:21

I solemnly charge you in the presence of God and of Christ Jesus and of His chosen angels, to maintain these principles without bias, doing nothing in a spirit of partiality.

Hebrews 1:14

Are they not all ministering spirits, sent out to render service for the sake of those who will inherit salvation?

James 1:26

If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man’s religion is worthless.

James 3:2

For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.

2 John 1:8

Watch yourselves, that you do not lose what we have accomplished, but that you may receive a full reward.

Treasury of Scripture Knowledge

Summary

Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?

Bible References

Thy mouth

Ecclesiastes 5:1
Guard your steps as you go to the house of God and draw near to listen rather than to offer the sacrifice of fools; for they do not know they are doing evil.
James 1:26
If anyone thinks himself to be religious, and yet does not bridle his tongue but deceives his own heart, this man’s religion is worthless.
James 3:2
For we all stumble in many ways. If anyone does not stumble in what he says, he is a perfect man, able to bridle the whole body as well.

Before

Leviticus 5:4
Or if a person swears thoughtlessly with his lips to do evil or to do good, in whatever matter a man may speak thoughtlessly with an oath, and it is hidden from him, and then he comes to know it, he will be guilty in one of these.
Genesis 48:16
The angel who has redeemed me from all evil,
Bless the lads;
And may my name live on in them,
And the names of my fathers Abraham and Isaac;
And may they grow into a multitude in the midst of the earth.”
Hosea 12:4
Yes, he wrestled with the angel and prevailed;
He wept and sought His favor.
He found Him at Bethel
And there He spoke with us,
Malachi 2:7
For the lips of a priest should preserve knowledge, and men should seek instruction from his mouth; for he is the messenger of the Lord of hosts.
Malachi 3:1
Behold, I am going to send My messenger, and he will clear the way before Me. And the Lord, whom you seek, will suddenly come to His temple; and the messenger of the covenant, in whom you delight, behold, He is coming,” says the Lord of hosts.
Acts 7:30
“After forty years had passed, an angel appeared to him in the wilderness of Mount Sinai, in the flame of a burning thorn bush.
1 Corinthians 11:10
Therefore the woman ought to have a symbol of authority on her head, because of the angels.
1 Timothy 5:21
I solemnly charge you in the presence of God and of Christ Jesus and of His chosen angels, to maintain these principles without bias, doing nothing in a spirit of partiality.
Hebrews 1:14
Are they not all ministering spirits, sent out to render service for the sake of those who will inherit salvation?

It was

Leviticus 5:4
Or if a person swears thoughtlessly with his lips to do evil or to do good, in whatever matter a man may speak thoughtlessly with an oath, and it is hidden from him, and then he comes to know it, he will be guilty in one of these.
Leviticus 27:9
‘Now if it is an animal of the kind which men can present as an offering to the Lord, any such that one gives to the Lord shall be holy.

Destroy

Haggai 1:9
You look for much, but behold, it comes to little; when you bring it home, I blow it away. Why?” declares the Lord of hosts, “Because of My house which lies desolate, while each of you runs to his own house.
Haggai 2:14
Then Haggai said, “‘So is this people. And so is this nation before Me,’ declares the Lord, ‘and so is every work of their hands; and what they offer there is unclean.
1 Corinthians 3:13
each man’s work will become evident; for the day will show it because it is to be revealed with fire, and the fire itself will test the quality of each man’s work.
2 John 1:8
Watch yourselves, that you do not lose what we have accomplished, but that you may receive a full reward.