Battle between the Scythians and the Slavs by Viktor Vasnetsov 1881

"The Scythian nations are one, so to speak, in their manner of life and their organization; they have a multitude of rulers, and they have done nothing of value, living for the most part as nomads. Only the nation of the Bulgarians, and also that of the Hungarians*, give thought to a similar military organization, which makes them stronger than the other Scythian nations as they engage in close combat under one commander."

-Leo the Wise, Tactics

*Note that Leo uses the term "Turks" erroneously throughout his Tactica to refer to Magyars/Hungarians.

Source:

https://en.wikipedia.org/wiki/File:%D0%91%D0%BE%D0%B9_%D1%81%D0%BA%D0%B8%D1%84%D0%BE%D0%B2_%D1%81%D0%BE_%D1%81%D0%BB%D0%B0%D0%B2%D1%8F%D0%BD%D0%B0%D0%BC%D0%B8.jpg

Quote:

https://ia601706.us.archive.org/10/items/cfhb-11.1-nicetae-choniatae-historia/CFHB%2049_Taktika%20of%20Leo%20%20VI.pdf