Even if the new master had not attained enlightenment, the disciples would have been able to do so if it is within a few generations from that of the master who gained enlightenment, therefore it is possible to take such a measure.
新しい師匠が悟りを開いていなくとも、悟りを開いていた師匠の時代から数世代の間であれば、世代を越えて弟子が悟りを開くことは可能なため、その様な手段が取られる。