As to the Soul and 'intelligence'; I take it that the 'soul complex' includes the 'spirit' which we take as a symbol for the quanta of will available to such a soul. It may be worth pointing out that the German word for 'Spirit', 'Geist', includes the notion of 'intelligence' within it. The English word 'spirit' having a much narrower meaning than the German one. So intelligence is thought of in terms of will. The etymology of the word 'intelligence' is suggestive;Intelligent from inter-,between, and 'legere', to gather, select; akin to Greek 'legein', to gather, say, 'logos', speech, word, reason.That is the will to select from what has been gathered. Heidegger makes much of this notion of 'gathering' as applied to intelligence.