Daniel 6:3
Then this Daniel was preferred above the presidents and princes, because an excellent spirit was in him; and the king thought to set him over the whole realm.
Cross-reference
Daniel 6:7 reveals the officials' conspiracy — directly motivated by Daniel's excellence described in Daniel 6:3.
In Daniel 5:12, the same 'excellent spirit' phrase describes Daniel's gifts — here it's the reason for his promotion.
In Daniel 5:14, the queen tells Belshazzar of Daniel's excellent spirit — the same quality that sets him apart here.
In Daniel 5:7, Belshazzar promises Daniel third rulership — a previous honor that parallels the king's plan in Daniel 6:3.
In Genesis 41:38-41, Joseph's elevation by Pharaoh parallels Daniel's rise — both have God's spirit and are set over the realm.
Proverbs 3:4 promises favor and good understanding — exactly what Daniel experiences as he gains the king's favor here.
Proverbs 17:27 commends a cool spirit as understanding — the same 'excellent spirit' that distinguished Daniel.
Proverbs 22:29 describes the same principle: a diligent worker stands before kings — fulfilled in Daniel's promotion here.
In Genesis 41:40, Joseph is set over Pharaoh's house — a clear type of Daniel being set over the whole kingdom.
Genesis 41:41 records Pharaoh setting Joseph over all Egypt — directly parallel to the king's plan for Daniel.
Deuteronomy 34:9 says Joshua was full of the spirit of wisdom — the same 'excellent spirit' that gave Daniel distinction.