It is said, however, that as a matter of etiquette, nenbutsu should be chanted in a whisper which cannot be heard by those around or at heart in order not to make believers of other sects uncomfortable.
ただし、他宗の者に不快な思いをさせないように、回りに聞こえないくらいの小声か、心の中で称えるにとどめておくのが礼儀とされている。