Ecclesiastes 5:6

Do not let your mouth bring guilt on you, and do not say in the presence of the messenger that it was a mistake. Why should God be angry with your words and destroy the work of your hands?

1 Corinthians 11:10

This is why a woman should have a symbol of authority on her head, because of the angels.

Genesis 48:16

the Angel who has redeemed me from all harm
may He bless these boys.
And may they be called by my name
and the names of my fathers Abraham and Isaac,
and may they grow to be numerous within the land.

Leviticus 5:4-6

Or if someone swears rashly to do what is good or evil—concerning anything a person may speak rashly in an oath—without being aware of it, but later recognizes it, he incurs guilt in such an instance.

Leviticus 27:9-10

“If the vow involves one of the animals that may be brought as an offering to the Lord, any of these he gives to the Lord will be holy.

Numbers 15:25

The priest must then make atonement for the entire Israelite community so that they may be forgiven, for the sin was unintentional. They are to bring their offering, one made by fire to the Lord, and their sin offering before the Lord for their unintentional sin.

Ecclesiastes 5:1-2

Guard your steps when you go to the house of God. Better to draw near in obedience than to offer the sacrifice as fools do, for they ignorantly do wrong.

Hosea 12:4-5

Jacob struggled with the Angel and prevailed;
he wept and sought His favor.
He found him at Bethel,
and there He spoke with him.

Haggai 1:9-11

“You expected much, but then it amounted to little. When you brought the harvest to your house, I ruined it. Why?” This is the declaration of the Lord of Hosts. “Because My house still lies in ruins, while each of you is busy with his own house.

Haggai 2:14-17

Then Haggai replied, “So is this people, and so is this nation before Me”—this is the Lord’s declaration. “And so is every work of their hands; even what they offer there is defiled.

Malachi 2:7

For the lips of a priest should guard knowledge, and people should seek instruction from his mouth, because he is the messenger of the Lord of Hosts.

Malachi 3:1

“See, I am going to send My messenger, and he will clear the way before Me. Then the Lord you seek will suddenly come to His temple, the Messenger of the covenant you desire—see, He is coming,” says the Lord of Hosts.

Acts 7:30-35

After 40 years had passed, an angel appeared to him in the wilderness of Mount Sinai, in the flame of a burning bush.

1 Corinthians 3:13-15

each one’s work will become obvious, for the day will disclose it, because it will be revealed by fire; the fire will test the quality of each one’s work.

1 Timothy 5:21

I solemnly charge you before God and Christ Jesus and the elect angels to observe these things without prejudice, doing nothing out of favoritism.

Hebrews 1:14

Are they not all ministering spirits sent out to serve those who are going to inherit salvation?

James 1:26

If anyone thinks he is religious without controlling his tongue, then his religion is useless and he deceives himself.

James 3:2

for we all stumble in many ways. If anyone does not stumble in what he says, he is a mature man who is also able to control his whole body.

2 John 1:8

Watch yourselves so you don’t lose what we have worked for, 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 when you go to the house of God. Better to draw near in obedience than to offer the sacrifice as fools do, for they ignorantly do wrong.
James 1:26
If anyone thinks he is religious without controlling his tongue, then his religion is useless and he deceives himself.
James 3:2
for we all stumble in many ways. If anyone does not stumble in what he says, he is a mature man who is also able to control his whole body.

Before

Leviticus 5:4
Or if someone swears rashly to do what is good or evil—concerning anything a person may speak rashly in an oath—without being aware of it, but later recognizes it, he incurs guilt in such an instance.
Genesis 48:16
the Angel who has redeemed me from all harm
may He bless these boys.
And may they be called by my name
and the names of my fathers Abraham and Isaac,
and may they grow to be numerous within the land.
Hosea 12:4
Jacob struggled with the Angel and prevailed;
he wept and sought His favor.
He found him at Bethel,
and there He spoke with him.
Malachi 2:7
For the lips of a priest should guard knowledge, and people should seek instruction from his mouth, because he is the messenger of the Lord of Hosts.
Malachi 3:1
“See, I am going to send My messenger, and he will clear the way before Me. Then the Lord you seek will suddenly come to His temple, the Messenger of the covenant you desire—see, He is coming,” says the Lord of Hosts.
Acts 7:30
After 40 years had passed, an angel appeared to him in the wilderness of Mount Sinai, in the flame of a burning bush.
1 Corinthians 11:10
This is why a woman should have a symbol of authority on her head, because of the angels.
1 Timothy 5:21
I solemnly charge you before God and Christ Jesus and the elect angels to observe these things without prejudice, doing nothing out of favoritism.
Hebrews 1:14
Are they not all ministering spirits sent out to serve those who are going to inherit salvation?

It was

Leviticus 5:4
Or if someone swears rashly to do what is good or evil—concerning anything a person may speak rashly in an oath—without being aware of it, but later recognizes it, he incurs guilt in such an instance.
Leviticus 27:9
“If the vow involves one of the animals that may be brought as an offering to the Lord, any of these he gives to the Lord will be holy.

Destroy

Haggai 1:9
“You expected much, but then it amounted to little. When you brought the harvest to your house, I ruined it. Why?” This is the declaration of the Lord of Hosts. “Because My house still lies in ruins, while each of you is busy with his own house.
Haggai 2:14
Then Haggai replied, “So is this people, and so is this nation before Me”—this is the Lord’s declaration. “And so is every work of their hands; even what they offer there is defiled.
1 Corinthians 3:13
each one’s work will become obvious, for the day will disclose it, because it will be revealed by fire; the fire will test the quality of each one’s work.
2 John 1:8
Watch yourselves so you don’t lose what we have worked for, but that you may receive a full reward.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.