Gustav Krüger, 1911 Encyclopedia Britannica (1911)
“ It was natural that the Manichaean heresy, which had so long enslaved his own mind, should have first exercised Augustine’s great powers as a theological thinker and controversialist. He was able from his own experience to give force to his arguments for the unity of creation and of the spiritual life, and to strengthen the mind of the Christian Church in its last struggle with that dualistic spirit which had animated and moulded in succession so many forms of thought at variance with Christianity. ”
