For those who seek for the basic strength to the foundation of life in human lives through a pure form of nenbutsu, there is the Yuzu Nenbutsu (interpenetrated recitation) by Ryonin and further teachings by Honen and Shinran.
この称名念仏を純粋な形で人間生存の根底にすえ生きる力を求めたのは、良忍の融通念仏であり、さらに法然や親鸞の教えであった。