Daniel 9:2; Daniel 10:3

Daniel 9:2

2 in the first year of his reign, I, Daniel, observed in the books the number of the years which was revealed as the word of the LORD to Jeremiah the prophet for the completion of the desolations of Jerusalem, namely, seventy years.

Daniel 10:3

3 I did not eat any tasty food, nor did meat or wine enter my mouth, nor did I use any ointment at all until the entire three weeks were completed.