Page "Barlaam of Seminara" Paragraph 4

Colin Wells characterizes Barlaam as " brilliant but sharp-tongued ", describing him as " thoroughly versed in the classics, an astronomer, a mathematician, as well as a philosopher and a mathematician.

However, according to Wells, " this formidable learning was coupled with an arrogant, sarcastic manner, so caustic at times that he put off even friends and allies.