May we also swear by saints or other creatures?
No. A lawful oath is a calling upon God, who alone knows the heart, to bear witness to the truth, and to punish me if I swear falsely. No creature is worthy of such honour.
Proofs
- No. A lawful oath is a calling upon God, who alone knows the heart, to bear witness to the truth, and to punish me if I swear falsely. (Romans 9:1; 2 Corinthians 1:23)
- No creature is worthy of such honour. (Matthew 5:34β37; Matthew 23:16β22; James 5:12)