9:1-3 Daniel learned from the books of the prophets, especially from Jeremiah, that the desolation of Jerusalem would continue seventy years, which were drawing to a close. God's promises are to encourage our prayers, not to make them needless; and when we see the performance of them approaching, we should more earnestly plead them with God.

3. prayer … supplications—literally, "intercessions … entreaties for mercy." Praying for blessings, and deprecating evils.