觀無量壽佛經義疏 3.94

3.94

「『作是觀者，名為正觀；若他觀者，名為邪觀。』」解同前。第十一、勢至觀，四：初、觀行相；二、結示色身；三、彰益；四、雙結。初、觀行相，三：初、身相；二、行相；三、坐相。初、身相，五：初：身量；二：觀光相；三：觀天冠；四：觀肉髻；五：指餘相。初、身量。

"[The Buddha said:] 'To perform this contemplation is called correct contemplation; if one performs any other contemplation, it is called incorrect contemplation.'" The explanation is the same as before. Eleventh, the contemplation of Mahāsthāmaprāpta, which has four parts: first, contemplating the marks of his actions; second, concluding with an indication of his physical body; third, showing the benefits; fourth, a dual conclusion. First, contemplating the marks of his actions, which has three parts: first, the marks of his body; second, the marks of walking; third, the marks of sitting. First, the marks of his body, which has five parts: first, the dimensions of his body; second, contemplating the marks of his light; third, contemplating the heavenly headdress; fourth, contemplating the uṣṇīṣa; fifth, indicating the remaining marks. First, the dimensions of his body.