Genesis 21:1-3 And the Lord visited Sarah as He had said, and the Lord did for Sarah as He had spoken. For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him. And Abraham called the name of his son who was born to him-whom Sarah bore to him-Isaac.
The Lord always keeps His promises. Trust His perfect timing and wait patiently on Him. He will fulfill all of the promises He has declared over your life in His perfect timing. Trust, Believe, Wait.
Psalm 18:30 As for God, His way is perfect; the word of the Lord is proven; He is a shield to all who trust in Him.