釋禪波羅蜜次第法門 6.30

6.30

復次，行者如是修時，若見種種善惡境界及發諸禪中事，悉不得取，但一心觀於親人得樂之相，心心相續。是則略說修慈方法。

Furthermore, when the practitioner cultivates in this way, if they see various good or bad sensory objects or phenomena arising within the dhyānas, they must not grasp any of them at all, but only single-mindedly contemplate the characteristic of the dear person attaining happiness, thought continuing upon thought. This is a brief explanation of the method of cultivating benevolence.