Translations
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.
YHWH saw that the wickedness of ha-adam on the earth was great, and that every yetser of the thoughts of his heart was only evil, all the day long.
Yahweh saw that the wickedness of humanity on the earth was immense, and that every impulse of every thought of the human heart was nothing but evil—day after day.
Then the LORD saw that the wickedness of man was great upon the earth, and that every inclination of the thoughts of his heart was altogether evil all the time.

