Ezekiel 36:13

¹³ Thus says the Lord Yahweh: Because they say to you, You are a devourer of men, and have been a bereaver of your nation;

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.