Exodus 19:16 records the thunder, lightning, and trembling at Sinai — the very terror that makes Moses say he fears in Hebrews 12:21.

Revelation 1:17 shows John falling dead before Christ then hearing 'Fear not' — contrasts with the unrelieved terror of Moses in Hebrews 12:21.

Exodus 3:6 records Moses hiding his face in fear at the burning bush — the same Moses now trembling at Sinai in Hebrews 12:21.

In Daniel 10:7, a trembling falls on Daniel's companions at a divine vision — a parallel to Moses' fear at Sinai.

Isaiah 6:3-5 shows Isaiah's terror at seeing the holy God, similar to Moses' fear in Hebrews 12:21 — both respond to divine holiness.

Psalm 119:120 expresses flesh trembling before God's judgments, paralleling Moses' fear in Hebrews 12:21 — both show reverent terror.

Daniel 10:8 describes Daniel's strength leaving him in fear at a vision, echoing Moses' trembling in Hebrews 12:21 — human weakness before God.

Daniel 10:17 continues Daniel's weakness and breathlessness, reinforcing the parallel with Moses' fear in Hebrews 12:21.

In Habakkuk 3:2, the prophet fears God's work — a similar reverential fear to the trembling at Sinai.

In Nehemiah 4:14, the people are told not to fear because God is great — contrasting with Moses' trembling at Sinai here.