“Apart from the cross there is no other ladder by which we may get to heaven.”
In P. Léonard Hansen, Vita mirabilis, 1664, p. 137 https://archive.org/details/wotb_6743752/page/137/mode/2up?view=theater; quoted in Catechism of the Catholic Church, 1992, § 618 https://www.vatican.va/archive/ENG0015/__P1O.HTM.