Fathers, provoke not your children to anger
 (See Gill on Ephesians 6:4). 
 lest they be discouraged;
 or disheartened and dispirited; their spirits be broke through grief and trouble, and they become indolent, sluggish, and unfit for business; or, despairing of having any share in the affections of their parents, disregard their commands, instructions, and corrections, and grow obdurate, stubborn, and rebellious.