Sotatsu was respected as a prominent disciple of Itto Soshitsu, because of his deep insight as a scholar and his academic approach to the tea ceremony, beside the pedigree of his Hayami family as distinguished doctors.
速水家が医者として名家であったこと、宗達の学者としての高い見識と茶の湯に対する学究的態度が評価されたこともあり、一燈の門人では随一の人とされる。