Romans 1 21
because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
Compare with other 3 random translations
NAS Romans 1:21For even though they knew God, they did not honor Him as God or give thanks, but they became futile in their reasonings, and their senseless hearts were darkened.
GNV Romans 1:21Because that when they knewe God, they glorified him not as God, neither were thankefull, but became vaine in their thoughtes, and their foolish heart was full of darkenesse.
NLT Romans 1:21Yes, they knew God, but they wouldn’t worship him as God or even give him thanks. And they began to think up foolish ideas of what God was like. As a result, their minds became dark and confused.