Exodus 24:14
And he said unto the elders, Tarry ye here for us, until we come again unto you: and, behold, Aaron and Hur are with you: if any man have any matters to do, let him come unto them.
Cross-reference
Exodus 32:1
Historical context
Exodus 32:1 shows the immediate consequence of Moses leaving Aaron in charge: the people demand an idol.
Exodus 17:10
Historical context
Exodus 17:10 shows Aaron and Hur supporting Moses' hands; here Moses entrusts them with leadership in his absence.
1 Samuel 13:8–13
Contrast
1 Samuel 13:8-13 shows Saul failing to wait for Samuel, similar to how Aaron failed to wait for Moses.
Genesis 22:5
Parallel
In Genesis 22:5, Abraham leaves his servants behind in a similar way, trusting God for return.