The Bow In The Cloud
The time from The Flood (see also How Big Was Noah's Ark?) marked a new beginning for humanity. In some ways, Noah and his wife (her name is not recorded in the Scriptures) were like a second Adam and Eve, not only because all humans are descended from Noah and his wife, through their three sons, but also because they found themselves in a new world, in which their family were the only humans, just like Adam and Eve did. Some of their instructions were the same.
To Adam's family:
"1:28 And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth." (Genesis 1:28 KJV)
To Noah's family:
"9:1 And God blessed Noah and his sons, and said unto them, Be fruitful, and multiply, and replenish the earth. 9:2 And the fear of you and the dread of you shall be upon every beast of the earth, and upon every fowl of the air, upon all that moveth upon the earth, and upon all the fishes of the sea; into your hand are they delivered." (Genesis 9:1-2 KJV)
"I do set my bow in the cloud, and it shall be for a token of a covenant between me and the earth"
Humans began as vegetarians (Genesis 1:29) and continued as such right up to the time of Noah. But after the Flood, the LORD (see 'The God Of The Old Testament') told Noah and his descendants that they could also consume all clean (see Clean and Unclean) fish, birds and animals.
"9:3 Every moving thing that liveth shall be meat for you; even as the green herb have I given you all things." (Genesis 9:3 KJV)
The first murderer, Cain (see Cain's City), was not sentenced to death for his crime. The LORD sentenced him to life, living with the painful consequences of what he had done i.e. the LORD sentenced him to a conscience. After the Flood however, the LORD declared that murderers were to be put to death.
"9:4 But flesh with the life thereof, which is the blood thereof, shall ye not eat. 9:5 And surely your blood of your lives will I require; at the hand of every beast will I require it, and at the hand of man; at the hand of every man's brother will I require the life of man. 9:6 Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man [see also Why Blood?]" (Genesis 9:4-6 KJV)
The LORD declared that the rainbow would thereafter serve as a sign that never again would He destroy life by a flood - of water.
"9:7 And you, be ye fruitful, and multiply; bring forth abundantly in the earth, and multiply therein.