Ezekiel 3:19

¹⁹ And thou, because thou hast warned the wicked, and he hath not turned back from his wickedness, and from his wicked way, he in his iniquity dieth, and thou thy soul hast delivered.

Lip

'A lip' in general signifies doctrine.

In Isaiah 6:3, 7, this signifies the interior parts of a person and thus internal worship where adoration is grounded.

In Isaiah 37:29, this signifies the thought of the understanding

In Malachi 2:6, 7, this denotes doctrine grounded in charity.

² And He saith unto me, `Son of man, these [are] the men who are devising iniquity, and who are giving evil counsel in this city;