To unveil, with steadfast devotion, the true understanding: It is a wonderful state achieved through Amida's pure benefiting of others; it is the ultimate flowering of supreme nirvana.
つつしんで真実の証を顕さば、すなはちこれ利他円満の妙位、無上涅槃の極果なり。 - Wikipedia日英京都関連文書対訳コーパス
It had been often made by persons of power, ascetic Buddhist monks and priests since ancient times and medieval times around the Kansai region, and in recent times, common people produced it from the background of their pure religious devotion.
関西地方を中心に権力者、修験者、僧侶などによって古代、中世より多く作られるようになるが、近世にに至ると素朴な信仰心を背景に一般庶民がその制作に携るようになる。 - Wikipedia日英京都関連文書対訳コーパス