Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?
He shall not alter it, nor change it, a good for a bad, or a bad for a good: and if he shall at all change beast for beast, then both it and that for which it is changed shall be holy.
But if he be poorer than thy estimation, then he shall be set before the priest, and the priest shall value him; according to the ability of him that vowed shall the priest value him.
If any one commit a trespass, and sin unwittingly, in the holy things of the LORD; then he shall bring his guilt offering unto the LORD, a ram without blemish out of the flock, according to thy estimation in silver by shekels, after the shekel of the sanctuary, for a guilt offering: