The Long Āgama Sūtra 28.62

28.62

梵志白佛言：「諸有異學欲於佛法中出家受戒者，先當四月觀察，稱眾人意，然後乃得出家受戒。如我今者，乃能於佛法中四歲觀察，稱眾人意，然後乃望出家受戒。」

The wanderer said to the Buddha, “Those of a different training who want to leave home for the path in the Buddha’s Dharma, they’re first observed for four months, and then the assembly gives their assent. After that, they are given the precepts and leave home. Now, I would be willing to be observed for four years before the assembly assented. After that, I would look forward to receiving the precepts and leaving home.”