Verified answer

Two things especially attracted him to the Manicheans: they felt at liberty to criticize the Scriptures, and they held chastity and self-denial in honor.

the reasons that led him to Christianity particularly where Manicheanism is concerned are:

- Manicheanism feeble cosmology and metaphysics had failed to satisfy him

- the astrological superstitions springing from the credulity of its disciples offended his reason

- The last straw was meeting with the Micheans leader Faustus of Mileve; who proved disappointing,