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
NCV 2 Peter 1:8If all these things are in you and are growing, they will help you to be useful and productive in your knowledge of our Lord Jesus Christ.
KJV 2 Peter 1:8For if these things be in you, and abound, they make you that ye shall neither be barren nor unfruitful in the knowledge of our Lord Jesus Christ.
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.