The ten characteristics of each of the Four Siddhāntas

1. The Worldly Siddhānta is characterized as (i) speaking about phenomenon and noumenon to comply with conditions that are suitable to, and are pleasurable to be heard by audiences; (ii) explaining both the Provisional (Unreal) and the Real; (iii) combinations of causes and conditions that result in differences between good and evil beings; (iv) a separate view of the five aggregates (i.e., form, sensation, conception, volitional activity, and consciousness) that are taken as real; (v) differentiating wholesomeness from evil; (vi) viewing the three periods (past, present, and future) of time separately; (vii) separating the Four Wholesome Factors (Ssu-shan-ken) that belong to the Ordinary Ranks of a Higher Level (Nei-fan) from the Ordinary Ranks of a Lower Level (Wai-fan); (viii) to differentiate between “the Path of Vision” and “the Path of Cultivation (ix) neither “learning” nor “no-learning 47 and (x) the Siddhānta for Each Person that is contained within.
2. The Siddhānta for Each Person is characterized as (i) to arouse the wholesome mind that existed previously; (ii) to only talk about the Provisional (Unreal) of living beings; (iii) if wholesome conditions are combined, a wholesome person comes into being; (iv) from the wholesome five aggregates, the wholesome five aggregates can be reproduced; (v) to explain that the present wholesomeness can reproduce the future wholesomeness; (vi) concerning future period of time; (vii) concerning stages of “heat” and “summit”; (viii) concerning “the path of vision;” (ix) realizing the “learning and (x) the Siddhānta of Counteraction that is contained within.
3. The Siddhānta of Counteraction is characterized as (i) to get rid of new evil; (ii) to only talk about the Real (i.e., evil is real because it causes the real effect of generating more evil); (iii) when evil conditions are combined, an evil person comes into being; (iv) to destroy the evil five aggregates with the wholesome five aggregates; (v) to destroy the present evil with the present wholesomeness; (vi) concerning the present period oftime; (vii) concerning the Four Types of Mindfulness (Ch., Ssu-nien-ch’u; Skt., catvāri smṛtyupasthānāni) that are practiced together and individually$ l (viii) concerning “the path of cultivation”; (ix) cultivating the “learning”; and (x) the Siddhānta of the Supreme Truth that is contained within.
4. The Siddhānta of the Supreme Truth is characterized as (i) enabling a person to realize the path of a sage; (ii) not Unreal and not Real; (iii) not good and not evil; (iv) attaining the five aggregates with “non-defilement (v) neither good nor evil; (vi) attaining the negation of the three periods of time; (vii) attaining the Highest Mundane Dharma that is closest to “real non-defilement (viii) attaining “the path of no-learning”; (ix) attaining the arhatship of “no-learning”; and (x) the Supreme Truth that does not include the three other siddhāntas. (Vol. 2, Page 35-36)