Matthew 12:36-37

But I tell you, for every careless word that men utter they will have to answer on the Day of Judgment.

James 1:26

If anyone thinks he is religious, and does not bridle his tongue, but deceives himself, his religious observances are of no account.

James 3:2-12

For we all make many mistakes. Anyone who never makes a mistake in what he says has a character that is fully developed and is able to control his whole body as well.

Treasury of Scripture Knowledge

Summary

He that keepeth his mouth keepeth his life: but he that openeth wide his lips shall have destruction.

General references

Bible References

General references

Matthew 12:36
But I tell you, for every careless word that men utter they will have to answer on the Day of Judgment.
James 1:26
If anyone thinks he is religious, and does not bridle his tongue, but deceives himself, his religious observances are of no account.
James 3:2
For we all make many mistakes. Anyone who never makes a mistake in what he says has a character that is fully developed and is able to control his whole body as well.