Dummelow's Commentary on the Bible
Genesis 2:31
Very good] Certain systems of philosophy and morality, ancient and modern, have proceeded on the assumption that evil is inherent in matter, and therefore that God and the world are antagonistic. This idea is quite foreign to the Scriptures, which teach that 'every creature of God is good.' Genesis teaches that evil enters the world from without: see on Genesis 3:1.
Genesis 2:1. Seventh day:—God ceases from His work and sanctifies the day on which He rests.
Genesis 1:1 clearly belong to the first narrative of the Creation, of which they form the natural conclusion. The first part of Genesis 1:4, 'These are the generations of the heavens and of the earth when they were created,' has probably been transposed from its original place before Genesis 1:1, as in all other cases the phrase stands at the beginning of the section to which it refers, cp. Genesis 5:1; Genesis 6:9; Genesis 10:1. The second account of Creation begins in the latter half of Genesis 1:4, and should have formed the commencement of Genesis 2.