Note 1 at Mk. 6:31: Jesus often separated Himself from others so that He could spend time with the Father (see ref. d, this verse). Here, we see Jesus calling His disciples apart for rest and leisure.

Many zealous Christians have neglected the needs of this physical body and have therefore cut their ministries short through death or severe illness. Likewise, many have failed to take the time to be still and know God (Ps. 46:10). This will also cut your ministry short through non-effectiveness. One of Satan's deadliest weapons against those involved in ministry is busyness. We must balance our time ministering to others with our time being ministered to by our Father. If the devil can't stop you from "getting on fire" for God, then he'll try to stop you by getting you "burned out" (cp. with Lk. 10:38-42).