Twice in one verse, the text links God's actions to His spoken word. Why the repetition, and what does it teach us about God?
Genesis 21:1 is remarkable for its repetition: 'as he had said' and 'as he had spoken.' This isn't just poetic flair; it's a theological statement about God's character.
The Ground of Action
God's actions are never arbitrary. They are rooted in His promises. He didn't just decide to give Sarah a son; He acted because He had promised.
Faithful to His Word
The repetition underscores God's unwavering faithfulness. He does not merely say things; He performs them. This demonstrates that His promises are reliable, even when circumstances (like Sarah's age) seem to contradict them. The assurance that 'the LORD did... as he had spoken' is a profound comfort, showing that God honors His commitments.