Daniel 10:18-21

Then the one who looked like a man touched me again, and I felt my strength returning. “Don’t be afraid,” he said, “for you are very precious to God. Peace! Be encouraged! Be strong!” As he spoke these words to me, I suddenly felt stronger and said to him, “Please speak to me, my lord, for you have strengthened me.” He replied, “Do you know why I have come? Soon I must return to fight against the spirit prince of the kingdom of Persia, and after that the spirit prince of the kingdom of Greece will come. Meanwhile, I will tell you what is written in the Book of Truth. (No one helps me against these spirit princes except Michael, your spirit prince.