"Hannya Shingyo Sutra," which is widely used in other sects, is not used in Jodo Shinshu Sect, because its teachings of self-attainment through its own exercises is inconsistent with the teaching of Jodo Shinshu Sect that emphasizes salvation through the benevolence of Amida Buddha.
浄土真宗は、仏教各宗派で一般的に用いられる『般若心経』は、自力の行によって自らが覚る教えが説かれるため、阿弥陀仏の本願によって救われる浄土真宗の教えとは相違するので用いない。