Complex sentence: He was a secularist, believing that the Church should stay out of politics, and in an article published in the "Dublin University Review" in 1886 showed some awareness that Protestants would require guarantees of their liberties within an independent Ireland.
Split into simpler sentences: He was a secularist, believing that the Church should stay out of politics. In an article published in the "Dublin University Review" in 1886, he showed some awareness that Protestants would require guarantees of their liberties within an independent Ireland.