If God is the Father of every human, then there is no doubt that every man, whoever he may be, is my brother, and every woman or girl is my sister; con­sequently I behaved very foolishly if I treated some people as strangers, and did not find them deserving of even a glance or word , or considered them the kind of people to whom I do not owe any love. I acted very foolishly, and I must correct myself, otherwise I must not dare to pray using this Lord’s Prayer, and therefore, must not consider myself as belonging to the number of true children of the Father God.

—Metropolitan Gregory (Postnikov) of St. Petersburg
How to Live a Holy Life p.133