I want to know the answer to the following question:
What allowed for a deeper understanding and personal exploration of older philosophers theories?
All the background I'm provided with is that "The re-discovery of ancient manuscripts brought a more profound and accurate knowledge of ancient philosophical schools such as Epicureanism, and Neoplatonism, whose Pagan wisdom the humanists, like the Church fathers of old, tended, at least initially, to consider as deriving from divine revelation and thus adaptable to a life of Christian virtue.". Is that enough to answer the question?
Answer: yes