Hebrews 12:10-12

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