Hebrews 12:13 KJV

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;

Follow peace with all men, and holiness, without which no man shall see the Lord:

Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;