Fr. Ruff

Father Frank [Ruff] said good relationships between denominations are a matter of the heart as well as the head.
“It is not enough to have formal agreements and scholarly statements,” he cautioned. “You have to bring the attitude of respect and cooperation with each other.”

Source: Fr. Frank Ruff - As quoted by Frank Lesko in "After the Fire", Posted 3 Jan 2017 on Glenmary Home Missioners, http://www.glenmary.org/after-the-fire/