Daniel 10:12 in the King James Version
Then said he unto me, Fear not, Daniel: for from the first day that thou didst set thine heart to understand, and to chasten thyself before thy God, thy words were heard, and I am come for thy words.
Context
11 He said to me, “Daniel, you greatly beloved man, understand the words that I speak to you, and stand upright, for I have been sent to you, now.” When he had spoken this word to me, I stood trembling.
12 Then he said to me, “Don’t be afraid, Daniel; for from the first day that you set your heart to understand, and to humble yourself before your God, your words were heard. I have come for your words’ sake.
13 But the prince of the kingdom of Persia withstood me twenty-one days; but, behold, Michael, one of the chief princes, came to help me because I remained there with the kings of Persia.