釋禪波羅蜜次第法門 6.109

6.109

約方便立支，其義云何？一、想者，修空定時，想身如簁如甑想。二、護者，即是捨支，捨於三種色相；又護者，名護持，遮三種色，不令破於空心。三、正者，不邪為義。今修空定為正，若念色相，是則為邪。四、觀者，觀達正念，破三種色，達於空理。若觀心住虛空，無有分散，名一心支。通明支者，謂支離為義，因此五法支離非一，故名為支。

How are factors established in terms of expedient means? 1. Ideation: when cultivating the space absorption, ideating the body as like a sieve or a steaming pot. 2. Guarding: this is the factor of equanimity, letting go of the three kinds of marks of form; furthermore, guarding means to protect and maintain, blocking the three kinds of form so that they do not break the mind of space. 3. Correctness: non-crookedness is its meaning; now, cultivating the space absorption is correctness, while attending to marks of form is crookedness. 4. Contemplation: contemplating to reach correct mindfulness, breaking through the three kinds of form to reach the principle of space. If the contemplating mind dwells in empty space without scattering, it is called the factor of ekāgratā. In the general explanation of 'factors', the meaning is branching off; because these five dharmas branch off and are not one, they are called factors.