The lotus flower is defined by Chih-i as a metaphor to exemplify the subtle dharma that consists of the Relative and Ultimate Truths, for the Relative and Ultimate are difficult to be perceived without relying on metaphor. Another explanation made by Chih-i is that the lotus flower is the symbol of the Dharma-door; or rather, it is the subtle dharma. Chih-i explains that since the lotus in terms of the dharma is hard for sentient beings middle and lower faculties to grasp, it is necessary to depict the image of the lotus as an analogy. Chih-i says that the Buddha’s proclamation of the Lotus Sūtra for three weeks is for all sentient beings (e.g. beings with higher, middle and lower faculties). To be specific, the lotus, as a name for the dharma, is expounded for the beings with higher faculties, and the lotus, as an allegorical name, is for the beings with middle and lower faculties. (Vol. 2, Page 382)