God's name and truthful reverence
Reverence for God’s name calls for truthful, faithful speech about sacred things. Prayer, promises, oaths, and public religious language should not use God to excuse manipulation or wrongdoing. The commandment concerns more than avoiding a set of words. Invoking divine authority carries responsibility to speak honestly and avoid exploiting another person’s trust.
Follow the sources
An original library introduction, with sources for further study. This is a starting point rather than a complete treatment or a finished formation lesson.