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 3:2-13

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

Whoso keepeth his mouth and his tongue keepeth his soul from troubles.

General references

Bible References

General references

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.