'Oaths' in the Bible

or when a person swears an oath, speaking thoughtlessly with his lips, whether to do evil or to do good, with regard to anything which the individual might speak thoughtlessly in an oath, even if he did not realize it, but he himself has later come to know it and is guilty with regard to one of these oaths --

In addition to the Sabbaths of the Lord, and in addition to the things you give and the oaths you make and the free offerings to the Lord