{But ye cannot bear them now} (all' ou dunasthe bastazein
arti). The literal sense of astaz(935c), to bear, occurs in
 12:6 . For the figurative as here see  Ac 15:10 . The untaught
cannot get the full benefit of teaching ( 1Co 3:1  Heb 5:11-14 ).
The progressive nature of revelation is a necessity.