Isaiah 36:5

I say, sayest thou, (but they are but vain words) I have counsel and strength for war: now on whom dost thou trust, that thou rebellest against me?

Cross-reference

2 Kings 18:7 provides the backstory: Hezekiah rebelled against Assyria with God's support, explaining the context for the Assyrian's accusation.

Proverbs 21:30 declares no human wisdom can succeed against the Lord, underscoring the futility of Judah's reliance on Egypt that the Assyrian mocks.

Proverbs 21:31 affirms that victory belongs to the Lord alone, contrasting the Assyrian's boast in military strength with divine sovereignty.

Proverbs 24:6 teaches that wise guidance and many counselors win wars, directly opposing the Assyrian's mockery of Judah's reliance on counsel.

Nehemiah 2:20 records Nehemiah's confident reply that God will give success, contrasting the Assyrian's mockery of trust in God.