19 And the king spoke with them, and among all the young men he found no one equal to Daniel, Hananiah, Mishael, and Azariah. So they entered the king’s service.
Daniel 1:19 Cross References - BSB
Genesis 41:46
46 Now Joseph was thirty years old when he entered the service of Pharaoh king of Egypt. And Joseph left Pharaoh’s presence and traveled throughout the land of Egypt.
1 Kings 17:1
1 Now Elijah the Tishbite, who was among the settlers of Gilead, said to Ahab, “As surely as the LORD lives—the God of Israel before whom I stand—there will be neither dew nor rain in these years except at my word!”
Proverbs 22:29
29 Do you see a man skilled in his work? He will be stationed in the presence of kings; he will not stand before obscure men.
Jeremiah 15:19
19 Therefore this is what the LORD says: “If you return, I will restore you; you will stand in My presence. And if you speak words that are noble instead of worthless, you will be My spokesman. It is they who must turn to you, but you must not turn to them.
Daniel 1:5
5 The king assigned them daily provisions of the royal food and wine. They were to be trained for three years, after which they were to enter the king’s service.