Crowley was trying to gain the 'knowledge and conversation with his Holy Guardian Angel.' His aim was God/good, although his means were unconventional, especially for his time. Imo
But real satanism isn't pretty. Not at all. Satan is nasty: "A liar and the father of it."
God's power to guide me, God's might to uphold me. God's wisdom to teach me, God's eye to watch over me. God's ear to hear me, God's word to give me speech, God's hand to guide me, God's way before me, God's shield to shelter me.
God's host to secure me, against the snares of demons, against the seductions of vices, against the lusts of nature, against everyone who meditate injury to me, whether far or near, with a few or with many ...
Christ be with me. Christ before me, Christ behind me; Christ within me, Christ beneath me; Christ above me, Christ at my right hand, Christ at my left. Christ in the fort, Christ in the chariot seat, Christ on the ship deck.
Christ in the heart of everyone who thinks of me, Christ in the mouth of everyone who speaks of me. Christ in every eye that sees me. Christ in every ear that hears me
-- From St Patrick's Breastplate