In 830, i.e., five years before his death, Kukai wrote the Jujushinron or The Ten Stages of the Development of Mind, consisting of 75,000 Chinese characters, which he promptly condensed to one-fifth of its former length, dropping most of the quotations, under the title of The Precious Key to the Secret Treasury. Hakeda describes it … Continue reading Kukai – The Ten Stages of the Development of Mind