"Metempsychosis" is the title of a longer work by the metaphysical poet John Donne, written in 1601.[11] The poem, also known as the Infinitati Sacrum,[12] consists of two parts, the "Epistle" and "The Progress of the Soule". In the first line of the latter part, Donne writes that he "sing[s] of the progresse of a deathlesse soule".[12]