大方廣佛華嚴經隨疏演義鈔 34.31

34.31

Regarding the Commentary's line: "Light or physical characteristics are different": as in the 'Chapter on the Ten Samādhis', one might see the Tathāgata emit golden light, or see the Tathāgata emit white silver light, and so forth. As for "or possessing or lacking constant emission": Śākyamuni possesses [both], that is, a constant radiance of one vyāma, and emitting light from between his eyebrows that illuminates eighteen thousand buddha lands, and so forth. In the case of the Buddha Samantaprabhāsa, light is constantly emitted without distinction of before and after, because of constant radiance.