You shall therefore make a distinction between the clean beast and the unclean, and between the unclean fowl and the clean; and you shall not make yourselves detestable with beast or with bird or with anything with which the ground teems or that creeps, which I have set apart from you as unclean.
By offering polluted food upon My altar. And you ask, How have we polluted it and profaned You? By thinking that the table of the Lord is contemptible and may be despised.
But Daniel determined in his heart that he would not defile himself by [eating his portion of] the king's rich and dainty food or by [drinking] the wine which he drank; therefore he requested of the chief of the eunuchs that he might [be allowed] not to defile himself.
Say to the Israelites, If a woman conceives and bears a male child, she shall be unclean seven days, unclean as during her monthly discomfort.
And if you will make Me an altar of stone, you shall not build it of hewn stone, for if you lift up a tool upon it you have polluted it.
And you shall not defile the land in which you live, in the midst of which I dwell, for I, the Lord, dwell in the midst of the people of Israel.