2 Peter 1 8
For if you possess these qualities in increasing measure, they will keep you from being ineffective and unproductive in your knowledge of our Lord Jesus Christ.
Compare with other 3 random translations
CSB 2 Peter 1:8For if you possess these qualities in increasing measure, they will keep you from being useless or unfruitful in the knowledge of our Lord Jesus Christ.
AMP 2 Peter 1:8For as these qualities are yours and increasingly abound in you, they will keep [you] from being idle or unfruitful unto the [full personal] knowledge of our Lord Jesus Christ (the Messiah, the Anointed One).
NKJ 2 Peter 1:8For if these things are yours and abound, you will be neither barren nor unfruitful in the knowledge of our Lord Jesus Christ.