Hebrews 12:8-12

But if ye be without chastisement, whereof all are partakers, then are ye bastards, and not sons.

Furthermore we have had fathers of our flesh which corrected us, and we gave them reverence: shall we not much rather be in subjection unto the Father of spirits, and live?

For they verily for a few days chastened us after their own pleasure; but he for our profit, that we might be partakers of his holiness.

Now no chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised thereby.

Wherefore lift up the hands which hang down, and the feeble knees;