Solanus could meet people where they were in their spiritual life and draw them closer to God. When non-Catholics came for help, he respected their position and faith. Certainly “ahead of his time,” he was able to reach out to people of other faiths in a simple, friendly way long before Catholics discovered ecumenism. Yet he sometimes might suggest gently that they investigate the claims of the “Mother Church.”
“Perhaps you are more Catholic than you think you are,” he would say with that little twinkle in his eye and a warm smile. Always grateful for his own Catholic faith, he respected others for whatever faith they had, and he counted several ministers and rabbis as sincere friends.
—from the book Gratitude and Grit: The Life of Blessed Solanus Casey,
by Brother Leo Wollenweber, OFM Cap, page 64