Leviticus 11:47To make a difference between the unclean and the clean, and between the beast that may be eaten and the beast that may not be eaten.
Ezekiel 22:26Her priests have violated my law, and have profaned mine holy things: they have put no difference between the holy and profane, neither have they shewed difference between the unclean and the clean, and have hid their eyes from my sabbaths, and I am profaned among them.
Ezekiel 44:23And they shall teach my people the difference between the holy and profane, and cause them to discern between the unclean and the clean.
1 Peter 1:14-16As obedient children, not fashioning yourselves according to the former lusts in your ignorance: But as he which hath called you is holy, so be ye holy in all manner of conversation; Because it is written, Be ye holy; for I am holy.
Leviticus 20:25-26Ye shall therefore put difference between clean beasts and unclean, and between unclean fowls and clean: and ye shall not make your souls abominable by beast, or by fowl, or by any manner of living thing that creepeth on the ground, which I have separated from you as unclean. And ye shall be holy unto me: for I the LORD am holy, and have severed you from other people, that ye should be mine.
Jeremiah 15:19Therefore thus saith the LORD, If thou return, then will I bring thee again, and thou shalt stand before me: and if thou take forth the precious from the vile, thou shalt be as my mouth: let them return unto thee; but return not thou unto them.
Titus 1:15Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.