Isaiah 64:3

3 When you did awe-inspiring things that we didn't expect, you came down and the mountains quaked in your presence.

Isaiah 64:3 Meaning and Commentary

Isaiah 64:3

When thou didst terrible things, which we looked not for, thou
camest down
Referring to the wonderful things God did in Egypt, at the Red sea, and in the wilderness, and particularly at Mount Sinai, things that were unexpected, and not looked for; then the Lord came down, and made visible displays of his power and presence, especially on Mount Sinai; see ( Exodus 19:18 ) : the mountains flowed down at thy presence;
not Sinai only, but others also; Kimchi says Seir and Paran; ( Judges 5:4 Judges 5:5 ) ( Psalms 68:7 Psalms 68:8 ) ( Habakkuk 3:3 Habakkuk 3:6 ) .

Isaiah 64:3 In-Context

1 If only you would split open the heavens and come down! The mountains would quake at your presence.

2 Be like the fire that kindles brushwood and makes water boil. Come down to make your name known to your enemies. The nations will tremble in your presence.

3 When you did awe-inspiring things that we didn't expect, you came down and the mountains quaked in your presence.

4 No one has ever heard, no one has paid attention, and no one has seen any god except you. You help those who wait for you.

5 You greeted the one who gladly does right and remembers your ways. You showed your anger, because we've sinned. We've continued to sin for a long time. Can we still be saved?