"Thou shalt not bear false witness against thy neighbour". No lying. A sermon about the breaking of this commandment by the members of the Sanhedrin. Contrasted with the truthfulness of the Lord Jesus Christ.
The tongue is just a little piece of muscle. It has 10 000 taste buds, it weighs 70 grams, it is essential in chewing, swallowing, licking and speaking. The tongue is very useful. But it is also very sinful. James 3:8 "The tongue can no man tame; it is an unruly evil, full of deadly