God can dispense with us just as little as we can dispense with him. - Meister Eckhart

Variant: If "thank you" is the only prayer you can utter in your lifetime, that would be enough.

For Eckhart, the ‘detached person’ lives in the world but is not of it (cf. John 17:16). The ‘birth of God’ has taken place within them, and their ‘knowing essence’ is now engaged with God and not with the world. Since the metaphysical keynote of the spiritual and divine realities in which the human person now participates is oneness, the moral manifestation of this state is the practice of altruism, that is treating other people as if they were oneself (cf. Lev. 19:18). Thus we should be as concerned with the welfare of others as we are with our own, and all that we do will be conceived in the spirit of humility. Indeed, of all the virtues most associated with detachment humility is the most foundational. In one passage of great rhetorical brilliance Eckhart urges us to enter our own ‘ground of humility’, which is our lowest part, but it is also our highest part, since God is present there and raises us up, and it is no less our innermost part, for it is our own essence (Sermon W 46).

However a quote very similar to this one can actually be found in his works. In Sermon XXVII (Walshe translation/in Quint Sermon XXXIV) we can read: