Genesis 6:3-7

3Then the Lord said, “1My Spirit will not 2remain with man forever, 34because he is also flesh; 5nevertheless his days shall be 120 years.” 4The 67Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of mankind, and they bore children to them. Those were the mighty men who were of old, men of renown.

5Then the Lord saw that the wickedness of mankind was great on the earth, and that 8every intent of the thoughts of 9their hearts was only evil continually. 6So 10the Lord was sorry that He had made mankind on the earth, and He was 11grieved 12in His heart. 7Then the Lord said, “13I will wipe out mankind whom I have created from the face of the land; mankind, and animals as well, and crawling things, and the birds of the sky. For 14I am sorry that I have made them.”