Isaiah 40:28-31

Renew:  "To make new, or as new, again; to restore to the same condition as when new, young or fresh."

Wait on (or upon):  "To observe, watch; to fix one's eyes upon, gaze at.  In Bible phrases, to place one's hope in God."

I. 	For the person whose hope, trust or confidence is in God, there is a promise of reinvigoration in the 	face of adversity or weakness.  ISA 40:28-31.
 	A. 	The man of faith accepts that the Lord is his strength.  PSA 6:2 c/w PSA 28:7.
	B. 	The man of flesh looks to flesh for strength and so invites a curse.  JER 17:5-6.  
		
II. 	Adversity can enervate or energize, depending on one's trust.  NUM 13:32-33; NUM 14:6-8.
 	A. 	Adversity is designed to teach us humility and remind us to look to spiritual concerns.  			DEU 8:2-3; PSA 119:71.
 	B. 	God is pleased to magnify Himself through human weakness, thus teaching us not to rely 			upon ourselves.  2CO 1:8-9; 2CO 12:9-10.  
	C.	For the person who waits on the Lord, his weakness is but an opportunity to fly to Christ
    		and His strength.  1SA 30:6 c/w EPH 6:10.
 	D. 	If our eyes are upon God and His promises, our weaknesses or inadequacies are illusory 			hindrances.  ROM 4:19-21; HEB 11:11; HEB 11:34.
     	E. 	Heavy burdens and temptations may be more easily borne by fixing our eyes upon the good 		end of the Lord.  JAM 5:11; 1PE 5:8-10.

III. 	Our passage in Isaiah is found in a chapter which opens with the announcement of the gospel of 
	Jesus Christ.  ISA 40:1-5 c/w MAR 1:1-4.
	A.	The gospel announces man's weakness but Christ's strength and power to save.
		ROM 3:20; 1CO 1:23-24 c/w JOH 17:2 c/w ROM 5:6. 
	B. 	There is rest in ceasing from relying upon our own works for eternal justification.  
		ROM 9:31-32 c/w ROM 10:3-4. 
	C. 	There is renewal and refreshing in heeding the gospel's message.  
		ISA 28:11-12 c/w 1CO 14:21.
	D.	The word of the gospel is, "Comfort ye, comfort ye my people..." (ISA 40:1).  
		1.	Comfort is "Strengthening, encouragement, incitement...."
		2.	Glad tidings of completed salvation, of warfare accomplished, of iniquities 				pardoned:  are such not strength (comfort) for the burdened soul?  ISA 61:1-3.  
		3.	Glad tidings of resurrection power are likewise strength for the soul.  
			HEB 2:14-15 c/w 1TH 4:13-18.

IV. 	Unconfessed and unforsaken sin drains away our strength.  PSA 31:10.
 	A. 	The penitent soul finds renewal in confession of sin.  PSA 51:10-12.
 	B. 	Personal sanctification tends to increase strength.  JAM 4:7-10 c/w JOB 17:9.
	C.	The soul that walks in the light has also an uncondemned heart which yields confidence 
		which accords with strength.  1JO 1:7 c/w 1JO 3:21 c/w PHIL 1:14 c/w ISA 30:15. 

V.	"They that wait upon the Lord" will of necessity have their eyes fixed on Christ, "the Lord from 		heaven" (1CO 15:47), "Who is gone into heaven..." (1PE 3:20).
	A.	They need not stand gazing with the natural eye into heaven (ACT 1:11), for the eye of 
		faith sees the unseen Savior in heavenly glory.  1PE 1:8 c/w HEB 2:9. 
	B.	Their gaze is into heaven where Christ is seated.  HEB 12:1-2; COL 3:1-2.
	C.	They see themselves by grace positionally risen there in Him.  EPH 2:6.
	D.	Their real treasure cannot be sullied by the strength-sapping corruption of this world.
		MAT 6:20-21.
	E.	With eyes heavenwards, they faint not even though their outward man perish.  
		2CO 4:16-18.
	F.	They believe that their God is the God of the living (MAT 22:32) Whose goodness they 			shall see in the land of the living and without that hope they would faint.  PSA 27:13-14.
	G.	In short, they rejoice not in the flesh but in the Lord Jesus Christ (ROM 5:11; PHIL 3:3) 			and so "the joy of the LORD is [their] strength" (NEH 8:10).
	H. 	Regardless of their natural state or of circumstances, they are "can do" types through 
		Christ.  PHIL 4:12-13.

VI.	The promise of ISA 40:28-31 obviously accrues especially to the believer.
	A.	This world will weary us, sap our strength and make us faint.
	B.	Faith is the victory that overcomes it.  1JO 5:4.

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