Ibn Taymiyyah the Salafee

So he spent about 3 months studying these books, and Shaykh Muhammad Khaleel Harraas – who explained [the treatise of] al-Waasitiyyah – he said that after he studied what he was able to of the books of Shaykh al-Islaam during this period, it became apparent to him that he had not [correctly] understood Islaam until after he had studied these books [of Ibn Taymiyyah].