And God saw every thing that He had made, and behold, it was very good. Genesis 1:31
The original creation was perfect in every way because the Creator is perfect in every way.
The Bible declares regarding Him:
Your heavenly Father is perfect. (Matthew 5:48)
As for God, His way is perfect. (2 Samuel 22:31)
Out of Zion, God, the perfection of beauty has shone forth. (Psalm 50:2)
He is the Rock, His work is perfect: for all His ways are just: a God of truth and without iniquity, just and right is He. (Deuteronomy 32:4)
The creation was good because the Creator is good:
Good and upright is the LORD. (Psalm 25:8)
O taste and see that the LORD is good. (Psalm 34:8)
Praise ye the LORD. O give thanks unto the LORD; for He is good. (Psalm 106:1)
Day 1: And God saw the light, that it was good. (Genesis 1:4)
Day 3: And God saw that it was good. (Genesis 1:10)
Day 3: And God saw that it was good. (Genesis 1:12)
Day 4: And God saw that it was good. (Genesis 1:18)
Day 5: And God saw that it was good. (Genesis 1:21)
Day 6: And God saw that it was good. (Genesis 1:25)
Day 6: And God saw every thing that he had made, and, behold, it was very good. (Genesis 1:31)