2 Peter 1 8
For as these qualities are yours and are increasing [in you as you grow toward spiritual maturity], they will keep you from being useless and unproductive in regard to the true knowledge and greater understanding of our Lord Jesus Christ.
Compare with other 3 random translations
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).
WEB 2 Peter 1:8For if these things are yours and abound, they make you to not be idle or unfruitful in the knowledge of our Lord Jesus Christ.
GNV 2 Peter 1:8For if these things be among you, and abound, they will make you that ye neither shalbe idle, nor vnfruitfull in the acknowledging of our Lord Iesus Christ: