Hebrews 12:9

6 For whom the Lord loveth he chasteneth, And scourgeth every son whom he receiveth.

7 It is for chastening that ye endure; God dealeth with you as with sons; for what son is there whom [his] father chasteneth not?

8 But if ye are without chastening, whereof all have been made partakers, then are ye bastards, and not sons.

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

10 For they indeed for a few days chastened [us] as seemed good to them; but he for [our] profit, that [we] may be partakers of his holiness.

11 All chastening seemeth for the present to be not joyous but grievous; yet afterward it yieldeth peaceable fruit unto them that have been exercised thereby, [even the fruit] of righteousness.

12 Wherefore lift up the hands that hang down, and the palsied knees;