觀無量壽佛經義疏 2.106

2.106

「『是為樹想，名第四觀。』」結文可解。第五、池觀，四：初、示體相；二、明池蓮；三、明池光；四、結示。初、示體相，四：初、舉數；二、明水色；三、明流渠；四、明渠底。初、舉數。

"‘This is the visualization of the trees, and is called the fourth contemplation.’" The concluding text is easily understood. Fifth, the contemplation of the ponds, in four parts: first, showing the substance and characteristics; second, explaining the pond lotuses; third, explaining the pond light; fourth, concluding instruction. First, showing the substance and characteristics, in four parts: first, giving the number; second, explaining the color of the water; third, explaining the channels; fourth, explaining the bed of the channels. First, giving the number.