Let not your mouth lead you into sin, and do not say before the messenger that it was a mistake; why should God be angry at your voice, and destroy the work of your hands?
He shall not substitute anything for it or exchange it, a good for a bad, or a bad for a good; and if he makes any exchange of beast for beast, then both it and that for which it is exchanged shall be holy.
And if a man is too poor to pay your valuation, then he shall bring the person before the priest, and the priest shall value him; according to the ability of him who vowed the priest shall value him.
“If any one commits a breach of faith and sins unwittingly in any of the holy things of the Lord, he shall bring, as his guilt offering to the Lord, a ram without blemish out of the flock, valued by you in shekels of silver, according to the shekel of the sanctuary; it is a guilt offering.