Matthew 12:36

But I tell you that every careless word that people speak, they shall give an accounting for it in the day of judgment.

Ecclesiastes 12:14

For God will bring every act to judgment, everything which is hidden, whether it is good or evil.

Romans 2:16

on the day when, according to my gospel, God will judge the secrets of men through Christ Jesus.

Ephesians 6:4-6

Fathers, do not provoke your children to anger, but bring them up in the discipline and instruction of the Lord.

Jude 1:14-15

It was also about these men that Enoch, in the seventh generation from Adam, prophesied, saying, “Behold, the Lord came with many thousands of His holy ones,

Revelation 20:12

And I saw the dead, the great and the small, standing before the throne, and books were opened; and another book was opened, which is the book of life; and the dead were judged from the things which were written in the books, according to their deeds.

Treasury of Scripture Knowledge

Summary

But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.

Bible References

Every

Ecclesiastes 12:14
For God will bring every act to judgment, everything which is hidden, whether it is good or evil.
Romans 2:16
on the day when, according to my gospel, God will judge the secrets of men through Christ Jesus.
Ephesians 6:4
Fathers, do not provoke your children to anger, but bring them up in the discipline and instruction of the Lord.
Jude 1:14
It was also about these men that Enoch, in the seventh generation from Adam, prophesied, saying, “Behold, the Lord came with many thousands of His holy ones,
Revelation 20:12
And I saw the dead, the great and the small, standing before the throne, and books were opened; and another book was opened, which is the book of life; and the dead were judged from the things which were written in the books, according to their deeds.

General references

Proverbs 13:3
The one who guards his mouth preserves his life;
The one who opens wide his lips comes to ruin.
Ecclesiastes 12:14
For God will bring every act to judgment, everything which is hidden, whether it is good or evil.
Mark 7:20
And He was saying, That which proceeds out of the man, that is what defiles the man.
Romans 14:12
So then each one of us will give an account of himself to God.