The Long Āgama Sūtra 1.61

1.61

佛告比丘：「諸佛常法：毗婆尸菩薩當其生時，從右脇出，專念不亂，其身清淨，不為穢惡之所汙染。猶如有目之士，以淨明珠投白繒上，兩不相汙，二俱淨故。菩薩出胎亦復如是，此是常法。」爾時，世尊而說偈言：

The Buddha told the monks, “This is the way it always is with buddhas. When he was born, Bodhisattva Vipaśyin emerged from his mother’s right side, and he was focused and undisturbed. His body was clean and not sullied by filth. It was like a man with eyesight putting a pure, bright jewel on white silk. Neither of them dirties the other because they are both pure. The Bodhisattva emerged from the womb in the same way. This is the way it always is [with buddhas].”

The Bhagavān then spoke in verse: