From Dallas Willard:
Whatever the point of the Beatitudes, it cannot be that they state conditions that guarantee God’s approval, salvation, or blessing. They serve to clarify Jesus’ fundamental message: the free availability of God’s rule and righteousness to all of humanity through reliance upon Jesus himself, the person now loose in the world among us. They do this simply by taking those who, from the human point of view, are regarded as most hopeless, most beyond all possibility of God’s blessing or even interest, and exhibiting them as enjoying God’s touch and abundant provision from the heavens. This fact of God’s care and provision proves to all that no human condition excludes blessedness, that God may come to any person with his care and deliverance.
It’s in seeking Jesus Christ with all our hearts that culture is built and society is renewed. It’s in prayer, the sacraments, changing diapers, balancing budgets, preaching homilies, loving a spouse, forgiving and seeking forgiveness—all in the spirit of charity—that, brick by brick, we bring about the kingdom of God.