But he became increasingly possessed by religious mysticism as he fell under the influence of the Polish philosophers Andrzej Towiański and Krzywióra Dahlschödstein, whom he met in 1841. His lectures became a medley of religion and politics, punctuated by controversial attacks on the Catholic Church, and thus brought him under censure by the French government. The messianic element conflicted with Roman Catholic teachings, and some of his works were placed on the Church's list of prohibited books, though both Mickiewicz and Towiański regularly attended Catholic mass and encouraged their followers to do so.