Ezekiel 36:36

³⁶ Then the nations that are left around you shall know that I, Yahweh, have built the ruined places, and planted that which was desolate: I, Yahweh, have spoken it, and I will do it.

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.

⁷ He touched my mouth with it, and said, "Behold, this has touched your lips; and your iniquity is taken away, and your sin forgiven."