The man who has God, though he has nothing else, has everything. And the man who has everything, but does not have God, has nothing. So posited C. S. Lewis.
And echoing his thoughts is Jonathan Edwards, who meditates on the importance of our readiness to let go of all possessions for the sake of having God as our portion above all things:
Though surrounded with outward enjoyments, and settled in families with desirable friends and relations; though we have companions whose society is delightful, and children in whom we see many promising qualifications; though we live by good neighbors, and are generally beloved where known; we ought not to take our rest in these things as our portion. We should be so far from resting in them, that we should desire to leave them all, in God’s due time. We ought to possess, enjoy and use them, with no other view but readily to quit them, whenever we are called to it, and to change them willingly and cheerfully for heaven. [“The Christian Pilgrim”]
Words of Grace 