佛祖統紀 3.4

3.4

序曰。說法度人。如來出世之大要。人有利鈍。則法有頓漸。故聞法之人無不悟入。猶夫醫王應病與藥。藥能合宜。則病無不愈。疏不云乎。今佛始終具轉五味法輪。轉此法度人他心令得悟。斯轉法輪之義也。

The preface states: Preaching the Dharma to deliver beings is the grand essential purpose of the Tathāgata's appearance in the world. People vary between sharp and dull faculties, and thus the Dharma has sudden and gradual teachings. Hence, among those who hear the Dharma, none fail to awaken and enter it, just as an expert physician applies medicine according to the illness; when the medicine is appropriate, no illness fails to be cured. Does not the commentary state: 'From beginning to end, the present Buddha fully turned the Dharma wheels of the five flavors; turning this Dharma to transform the minds of others and enable them to awaken—this is the meaning of turning the wheel of the Dharma'?