At first, Ninku criticized Honen's 'Senchaku-shu' (Passages on the Selection of the Nenbutsu in the Original Vow), but later came to regret such criticism and ended up devoting himself to Senju Nenbutsu (single-minded recitation of the Nenbutsu).
忍空は当初法然の「選択集」を非難したが、後に後悔して、専修念仏を行じていた。