Galatians 6:9-10

And let us not be weary in well doing: for in due season we shall reap, if we faint not.  As we have therefore opportunity, let us do good unto all men, especially unto them who are of the household of faith. 

The Bible reminds us that we can get weary in well doing.  That applies to the layman and the Pastor.  We are all a threat in the eyes of the devil and if he can wear us done, he will.  Our “well doing” reaches the hearts of the lost and sustains the hearts of the faithful. We have a dual purpose for the lost and the saved.    “If we faint not” we will reap a reward and we all need rewards and we all want to do good.