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.
EAS Titus 1:16People like that say that they know God. But they do disgusting things. This shows that they do not know him. They are completely bad. They refuse to obey God. They are not able to do anything good.
YLT Titus 1:16God they profess to know, and in the works they deny Him, being abominable, and disobedient, and unto every good work disapproved.