Da 1:5 And the king appointed for them a daily provision of the king’s delicacies and of the wine which he drank, and three years of training for them, so that at the end of that time they might serve before the king.
Training was necessary so that they could serve the earthly king – Nebuchadnezzar
If training was necessary to serve an earthly king, then one can imagine the importance of training or preparation in serving the heavenly King – Lord Jesus.
Da 1:6 Now from among those of the sons of Judah were Daniel, Hananiah, Mishael, and Azariah. 7 To them the chief of the eunuchs gave names: he gave Daniel the name Belteshazzar; to Hananiah, Shadrach; to Mishael, Meshach; and to Azariah, Abed-Nego.
Daniel – Belteshazzar
Hananiah – Shadrach
Mishael – Meshach
Azariah – Abed-Nego
Da 1:9 Now God had brought Daniel into the favor and goodwill of the chief of the eunuchs.
God is bringing me and my family members into the favour and goodwill of the people of…
Da 1:19 Then the king interviewed them, and among them all none was found like Daniel, Hananiah, Mishael, and Azariah; therefore they served before the king.
Notice, that it was the king that interviewed them and not some official