1. These are the contents of the 6th (book) of the Refutation of all Heresies . 2. What Simon has dared, and that his doctrine is confirmed (by quotations) from magicians and poets. 3. What Valentinus has laid down, and that his doctrine is not framed from the Scriptures, but from those of the Platonists and Pythagorists. 4. And what is thought by Secundus, Ptolemy and Heracleon, and how they have used as their own, but with different words, the thoughts of those whom the Greeks (think) wise. 5. What has been held by Marcus and Colarbasus [and their disciples] and that some of them gave heed to magic arts and Pythagorean numbers.