Hebrews 12:15 (KJV)

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;

And make straight paths for your feet, lest that which is lame be turned out of the way; but let it rather be healed.

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

Lest there be any fornicator, or profane person, as Esau, who for one morsel of meat sold his birthright.

For ye know how that afterward, when he would have inherited the blessing, he was rejected: for he found no place of repentance, though he sought it carefully with tears.

For ye are not come unto the mount that might be touched, and that burned with fire, nor unto blackness, and darkness, and tempest,

And the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them any more:

(For they could not endure that which was commanded, And if so much as a beast touch the mountain, it shall be stoned, or thrust through with a dart: