大乘起信論義疏 2.27

2.27

From 'Furthermore, showing...' downward is the second part, clarifying the method of cultivation and renunciation. Within this are three parts: first, the doctrinal explanation; second, from 'Like a person...' downward, opening the simile; third, from 'Sentient beings are likewise...' downward, applying the simile. 'Furthermore, showing the entry into the gate of tathatā from the gate of arising and ceasing' is the brief heading. From the shallow one enters the deep: from the gate of impermanence one enters the meaning of non-self, and in the middle, from the gate of non-self one enters the gate of the non-empty tathatā. In reality there is only the true, but because it is covered by marks, one is neither aware nor conscious of it. Eliminating and destroying these marks, one immediately knows tathatā. One can understand the general meaning in this manner.