"As men increased upon the earth, almost the whole world joined the ranks of rebellion. Once more Satan seemed to have gained the victory. But omnipotent power again cut short the working of iniquity, and the earth was cleansed by the Flood from its moral pollution. PP 332.1"
"And every living substance was destroyed which was upon the face of the ground, both man, and cattle, and the creeping things, and the fowl of the heaven; and they were destroyed from the earth: and Noah only remained alive, and they that were with him in the ark."
Both passages describe the Flood and its destructive impact on the earth. EGW refers to the cleansing of the earth, while Genesis 7:23 details the destruction of all living things except those on the ark.
"And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually."
Both passages describe the increasing wickedness of humanity leading up to the Flood. EGW summarizes the Genesis account, highlighting the widespread rebellion and God's response.
Says the prophet, “When Thy judgments are in the earth, the inhabitants of the world will learn righteousness. Let favor be showed to the wicked, yet will he not learn righteousness, ... and will not behold the majesty of Jehovah.” Isaiah 26:9, 10 . Thus it was after the Flood. Released from His judgments, the inhabitants of the earth again rebelled against the Lord. Twice God's covenant and His statutes had been rejected by the world. Both the people before the Flood and the descendants of Noah cast off the divine authority. Then God entered into covenant with Abraham, and took to Himself a people to become the depositaries of His law. To seduce and destroy this people, Satan began at once to lay his snares. The children of Jacob were tempted to contract marriages with the heathen and to worship their idols. But Joseph was faithful to God, and his fidelity was a constant testimony to the true faith. It was to quench this light that Satan worked through the envy of Joseph's brothers to…
"Let favour be shewed to the wicked, yet will he not learn righteousness: in the land of uprightness will he deal unjustly, and will not behold the majesty of the Lord."
EGW directly quotes Isaiah 26:10 and uses it as a basis for her commentary on the behavior of people after God's judgments.