Belisarius

Flavius Belisarius [Βελισάριος] (c. 505 – 565) was one of the greatest generals of the Eastern Roman or Byzantine Empire.

Sourced

 * For not by numbers of men, nor by measure of body, but by valor of soul is war to be decided.
 * As quoted in 100 Decisive Battles : From Ancient Times to the Present (2001) by Paul K. Davis, p. 93; cited to the records of Procopius, in Procopius, Vol. IV, I, pp. 15-16.