And God gave knowledge, mastery of all literature, and wisdom to these four men. Daniel himself gained understanding of every type of vision and dream.
When the time came to review the young men as the king had ordered, the chief official brought them before Nebuchadnezzar.
References for Daniel 1:18
When the king spoke with them, he found no one as good as Daniel, Hananiah, Mishael, and Azariah. So they took their place in the king's service.
Whenever the king consulted them about any aspect of wisdom and understanding, he found them head and shoulders above all the dream interpreters and enchanters in his entire kingdom.
And Daniel stayed in the king's service until the first year of King Cyrus.