'Harmful' in the Bible

The priest is to reexamine the contamination on the seventh day. If it has spread in the fabric, the warp, the woof, or the leather, regardless of how it is used, the contamination is harmful mildew; it is unclean.

He is to burn the fabric, the warp or woof in wool or linen, or any leather article, which is contaminated. Since it is harmful mildew it must be burned up.

the priest must come and examine it. If the contamination has spread in the house, it is harmful mildew; the house is unclean.

that a search should be made in your fathers’ record books. In these record books you will discover and verify that the city is a rebellious city, harmful to kings and provinces. There have been revolts in it since ancient times. That is why this city was destroyed.

The one who keeps a command will not experience anything harmful, and a wise heart knows the right time and procedure.