Hebrews 5:14; Hebrews 12:11

Hebrews 5:14

14 But solid food is for the mature, who because of practice have their senses trained to discern good and evil.

Hebrews 12:11

11 All discipline for the moment seems not to be joyful, but sorrowful; yet to those who have been trained by it, afterwards it yields the peaceful fruit of righteousness.