
"Although the Great Tatar (Timur) coming from the Eastern realm defeated the House of Osman once, Turkish authority is today so strong that there is no other society in the entire East that is as powerful as them, or said to be so powerful."
This idea belongs to György of Hungary, who was taken prisoner by Murad II after the Battle of Varna and lived in captivity in Anatolia for 20 years.
Sources: "Tractatus de Moribus, Condictionibus et Nequicia Turcorum"