佛說觀佛三昧海經 6.21

6.21

At that time, amidst the great assembly, the Bhagavat arose and walked, stepping into empty space. His father, the king, watched and his mind was exceedingly joyful, and he also followed the Buddha's walking. As the Buddha raised his feet, the thousand-spoked wheel marks beneath his feet each rained down eighty-four thousand jeweled lotuses. Each lotus blossom in turn transformed into eighty-four thousand billion nayutas of blossoms; each lotus blossom transformed into a platform; each flower platform and each flower petal completely covered immeasurable worlds of the ten directions; each lotus blossom had eighty-four thousand petals. Śākyamuni walked in empty space, raining down jeweled blossoms everywhere; from these blossoms there were further Buddhas, countless as dust motes, walking in empty space. Having seen this, his father, the king, was filled with great joy and attained the stage of anāgāmin; throwing his five limbs to the ground, he paid homage to the Buddha. The great assembly gathered at that time all witnessed this matter and addressed the Buddha: 'Bhagavat! Among the countless transformation Buddhas in the worlds of the ten directions, which is the real Buddha, and who are the transformation Buddhas?'