淨名經集解關中疏 2.436

2.436

"Because of knowing the illnesses of sentient beings, they do not abide in the unconditioned; because of extinguishing the illnesses of sentient beings, they do not exhaust the conditioned." Zhao says: "To become familiar with and know the illnesses of sentient beings, one must go to where the illness is; how could this be achieved by abiding in the unconditioned? To extinguish the illnesses of sentient beings, one must perform conditioned cures; how could this be achieved by exhausting the conditioned?"