The LORD saw that the people on earth were very wicked and in their hearts were always thinking only evil. (AAT)
The Lord saw that the wickedness of man was great in the earth, and that every intention of the thoughts of his heart was only evil continually. (ESV)
Then the Lord saw that the wickedness of man was great in the earth, and that every intent of the thoughts of his heart was only evil continually. (NKJV)