(His Divine Grace Srila Prabhupada—click to enlarge)
"Vaiṣṇava is the ocean of mercy. There is no end. As you cannot, I mean to say, draw all the waters from the ocean, it is not possible. Similarly, a Vaiṣṇava, a devotee, ocean of mercy. You can draw from it as much mercy as you like; still, it is full."