Deuteronomy 22:9-12 - Illustrations Of The Principle Of Purity

⁹ Thou shalt not sow thy vineyard with a diversity, lest the fulness of thy seed which thou shalt sow shall be consecrated, and the produce of the vineyard. ¹⁰ Thou shalt not plough with an ox and ass together. ¹¹ Thou shalt not put on any thing adulterated, wool and linen together. ¹² Thou shalt make to thee twisted threads upon the four wings of thy covering with which thou shalt be covered.