 The reasons given for the break are varied.His thought influenced (mostly indirectly, through the work of Leiner's student, Reb Tzadok Hakohen) the "mussar" of Rabbi Isaac Hutner and Rabbi Moshe Wolfson.Leiner's thought continued to have influence in the twentieth century, especially on Neo-Hasidism, and the teachings of Rabbi Shlomo Carlebach (the "singing rabbi").