Now the earth was corrupt in God’s sight, and the earth was filled with violence.
11. The earth also was corrupt before God . In the former clause of this verse Moses describes that impious contempt of God, which had left no longer any religion in the world; but the light of equity being extinct, all men had plunged into sin. In the second clause he declares, that the love of oppression, that frauds, injuries, rapines, and all kinds of injustice, prevailed.
The wickedness of that generation is here again spoken of, either as a foil to Noah's piety - he was just and perfect, when all the earth was corrupt; or as a further justification of God's resolution to destroy the world, which he was now about to communicate to his servant Noah. 1.
Commenting on Genesis 6:11-12
And God said unto Noah,.... This is a proof that he found favour in his eyes, since he spake to him, and told him what he had observed, and what he was determined to do, and gave him directions to make an ark for the security of himself and family, when he should destroy the world: the end of all flesh is come before me...