Do not let pass any opportunity to pray for anyone, either at his request or at the request of his relatives, friends, of those who esteem him, or of his acquaintances. The Lord looks favorably upon the prayer of our love, and upon our boldness before Ηim. Besides this, prayer for others is very beneficial to the one himself who prays for others; it purifies the heart, strengthens faith and hope in God, and enkindles our love for God and our neighbor. When praying, say thus: ‘Lord, it is possible for Thee to do this or that to this servant of Thine; do this for him, for Thy name is the Merciful Love of Men and the Almighty.
Based on St. John of Kronstadt
In this photo a monk is praying for others and reading names for the Divine Liturgy in the Chapel of the Holy Unmercenary Healers at Vatopaidi Monastery.