仁王護國般若波羅蜜多經疏 3.422

3.422

經：「於一念頃，能遍十方百萬億阿僧祇世界微塵數國土，悉知一切眾生心行上中下根，為說三乘，普令修習波羅蜜多。」

The sūtra states: "In an instant of thought, he is able to pervade lands as numerous as the dust motes of a million billion asaṃkhyeya worlds in the ten directions, fully know the mental activities and superior, middling, or inferior faculties of all sentient beings, expound the three vehicles for them, and cause them universally to cultivate the pāramitās."