Leviticus 10:10; Ezekiel 22:26; Hebrews 5:14; Isaiah 7:15; Romans 16:19

Leviticus 10:10

10 so that you can distinguish between the holy and the common, between the unclean and the clean,

Ezekiel 22:26

26 Her priests do violence to my law and profane my holy things; they do not distinguish between the holy and the common; they teach that there is no difference between the unclean and the clean; and they shut their eyes to the keeping of my Sabbaths, so that I am profaned among them.

Hebrews 5:14

14 But solid food is for the mature, who by constant use have trained themselves to distinguish good from evil.

Isaiah 7:15

15 He will be eating curds and honey when he knows enough to reject the wrong and choose the right,

Romans 16:19

19 Everyone has heard about your obedience, so I rejoice because of you; but I want you to be wise about what is good, and innocent about what is evil.