Exodus 20:7 The 3rd Commandment is not so much about how foul our language can be, but rather how we are honoring God with our words, our actions, and our lives.
God’s name is important to Him. It reflects His character-His nature. Don’t change His character by the way you live. This command is saying this: Represent Me! Don’t say your are my child but don’t live like Me. What happens inside of you, deep in your heart, when you hear His Name?