The specific point in Saichō’s contention was that the confessions and vows were to be made not to human masters, as in other branches of Buddhism, but to Buddha himself, which meant to one’s own innermost soul and entity. And therein lay the mystery, that by taking vows with these convictions and uttermost zeal, one could arouse the innermost good, including power and wisdom, which was inherent but otherwise dormant. Once aroused, this would ensure for us an incorruptible firmness of moral and spiritual life and could last throughout any number of lives, in spite of obstacles, temptations, nay despite even casual guilt and the commission of sin. The initiation, therefore, was taught to secure the awakening and abiding of the fundamental Buddha-nature, the mystery of “securing the entity of moral life.”
History of Japanese Religion