Kaneyoshi was praised by people at that time as an 'unprecedented person of wisdom' and Kaneyoshi bragged about himself as 'a greater scholar than Michizane SUGAWARA'; he knew a wide range of academic subjects in detail from Yusoku kojitsu (ancient practices and usages), Waka (Japanese poetry), Renka (linked poetry), and Noh gaku (Japanese Noh play).
兼良は、当時の人々からは、「日本無双の才人」と評され、兼良自身、「菅原道真以上の学者である」と豪語しただけあって、その学問の対象は幅広く、有職故実の研究から、和歌、連歌、能楽などにも詳しかった。