But, the development of Mahayana Buddhism gave rise to the idea that it would take an excessive amount of time, almost endless, just to come closer to a Buddha, and that it would be impossible to ever become a Buddha.
しかるに大乗仏教の発展に伴い、それでは仏に近づきつつも無限に近い気の遠くなるような時間であり、結局は永久に仏と成ることはできないだろうという発想が生まれた。