Hebrews 12:6, 8, 10
Hebrews 12:8 NKJV
But if you are without chastening, of which all have become partakers, then you are illegitimate and not sons.
Hebrews 12:10 NKJV
For they indeed for a few days chastened us as seemed best to them, but He for our profit, that we may be partakers of His holiness.