Commentaries:
Jamieson, Fausset, and Brown
Mountains are often symbols of nations (Psalms 46:2; Psalms 65:6). That of Bashan, northeast of Palestine, denotes a heathen nation, which is described as a "hill of God," or a great hill. Such are represented as envious of the hill (Zion) on which God resides;
Other Jamieson, Fausset, and Brown entries containing Psalms 68:15:
Isaiah 2:2
Jeremiah 22:20
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