Whenever you face trials of any kind, consider it nothing but joy, because you know that the testing of your faith produces endurance; and let endurance have its full effect. (James 1:2-6)
Jesus said to his disciples: “You have heard that it was said to your ancestors, Do not take a false oath, but make good to the Lord all that you vow. But I say to you, do not swear at all…” Matthew 5:33–34