Arcana Coelestia #2942
2942. 'In the ears of the sons of Heth' means obedience. This is clear from the meaning of 'the ear' as obedience, dealt with in 2542.
Ezekiel 31:10-12
10
Therefore thus said the Lord Yahweh: Because you are exalted in stature, and he has set his top among the thick boughs, and his heart is lifted up in his height;
11
I will even deliver him into the hand of the mighty one of the nations; he shall surely deal with him; I have driven him out for his wickedness.
12
Strangers, the terrible of the nations, have cut him off, and have left him: on the mountains and in all the valleys his branches are fallen, and his boughs are broken by all the watercourses of the land; and all the peoples of the earth are gone down from his shadow, and have left him.