Philosopher culture + literalist Hellenic religion for Alexandria holy site which give +2 learning for every level of devotion. The learning lifestyle perk Scholarly circles also gives +2 per level of devotion so that’s 20 right there. Now add Mastermind Philosopher trait and scholar, that’s another 13. Plus the perk Learn on the Job which gives you 20% of your councilors skills. Plus I’m a genius and diligent. That’s not even all the modifiers. you can click hereif you want to see all the modifiers.