According to the Dais o j o den, while Ry o gen was practicing, he had a dream that foretold his eventual appointment as head of the Tendai school. At first, Ry o gen was disturbed by the dream because he felt that he should be motivated by the desire to help others, not by the desire to advance his own career and become famous. Only when he found a passage in the Ta o-kan yu ching that noted that assiduously striving for enlightenment resulted in worldly achievements ( shitsuji ) did he feel r elieved