'To ride on the high places of the earth,' as mentioned in Isaiah 58:13-14, signifies the peace and internal happiness of the celestial man.
(References: Arcana Coelestia 85; Isaiah 14, 58:13)
Exodus 24:16-18
16
The glory of Yahweh settled on Mount Sinai, and the cloud covered it six days. The seventh day he called to Moses out of the midst of the cloud.
17
The appearance of the glory of Yahweh was like devouring fire on the top of the mountain in the eyes of the children of Israel.
18
Moses entered into the midst of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights.
