Titus 1 16
They claim to know God, but they prove this is false by what they do. They are detestable and disobedient, worthless for doing anything good.
Compare with other 3 random translations
GNV Titus 1:16They professe that they know God, but by works they deny him, and are abominable and disobedient, and vnto euery good worke reprobate.
AMP Titus 1:16They profess to know God [to recognize and be acquainted with Him], but by their actions they deny and disown Him. They are detestable and disobedient and worthless for good work of any kind.
GW Titus 1:16They claim to know God, but they deny him by what they do. They are detestable, disobedient, and unfit to do anything good.