Hebrews 5:14

5:14 But solid food is for the mature, whose perceptions are trained by practice to discern both good and evil.

Hebrews 12:11

12:11 Now all discipline seems painful at the time, not joyful. ¹  But later it produces the fruit of peace and righteousness ²  for those trained by it.

[12:11]  ¹ tn Grk “all discipline at the time does not seem to be of joy, but of sorrow.”

[12:11]  ² tn Grk “the peaceful fruit of righteousness.”