Leviticus 27:33 in the King James Version
He shall not search whether it be good or bad, neither shall he change it: and if he change it at all, then both it and the change thereof shall be holy; it shall not be redeemed.
Context
32 All the tithe of the herds or the flocks, whatever passes under the rod, the tenth shall be holy to the LORD.
33 He shall not examine whether it is good or bad, neither shall he exchange it. If he exchanges it at all, then both it and that for which it is exchanged shall be holy. It shall not be redeemed.’”
34 These are the commandments which the LORD commanded Moses for the children of Israel on Mount Sinai.