Smallman, Danny (January 18, 2012). Aquinas' Summa Theologica was an intellectual milestone in its synthesis of the legacy of Ancient Greek philosophers such as Plato and Aristotle with the content of Christian revelation. "Eastern Rite Catholicism" (PDF). "Wikipedia's Wales defends breakup, expenses". 136 Further teachings include the doctrines of the Immaculate Conception (her own conception without the stain of original sin) and the Assumption of Mary (that her body was assumed directly into heaven at the end of her life).