A lawful oath is a part of religious worship,[a] wherein, upon just occasion, the person swearing solemnly calleth God to witness what he asserteth or promiseth; and to judge him according to the truth or falsehood of what he sweareth.[b]
a:
Deuteronomy 10:20
b:
Exodus 20:7
Leviticus 19:12
2 Chronicles 6:22-23
2 Corinthians 1:23