There is a note of deep sadness in his voice. He had come to bring peace, but they seemed to want war. It was ancient history, and it still is modern history. In the second lesson, St. Paul reminds us that we are citizens of heaven. But we need to understand clearly what he means by that.
Most people do.
They see it as a place they go to at the end of life, and so they don't pay much attention to its dimensions in the present. Heaven has already started. The Kingdom of God has already begun. We are living in it right now. Keep in mind that there is a big difference between feeling that life is hell and feeling that life is a struggle.