they: The descendants of Adam have sought out an immense number of inventions, in order to find happiness in the world, without God, which have only proved so many variations of impiety and iniquity. Gen 3:6-7, Gen 6:5-6, Gen 6:11-12, Gen 11:4-6; Psa 99:8, Psa 106:29, Psa 106:39; Jer 2:12-13; Jer 4:22; Eze 22:6-13; Mar 7:8-9; Act 7:40-43; Rom 1:21-32, Rom 3:9-19; Eph 2:2-3; Tit 3:3