長阿含經 10.p135

10.p135

“[8] If a monk has faith, precepts, much learning, can teach Dharma, can train the assembly, can explain the Dharma’s words in detail to a large assembly, and has attained the four dhyānas but hasn’t traversed the eight liberations forward and backward, then his religious practice is incomplete. When a monk has faith, precepts, much learning, can teach Dharma, can train the assembly, can explain the Dharma’s words in detail to a large assembly, has attained the four dhyānas, and has traversed the eight liberations forward and backward, then his religious practice is complete.