2 Peter 1:8-10

8For if these things are yours and abound, you will be neither barren nor unfruitful in the knowledge of our Lord Jesus Christ.

9For he who lacks these things is shortsighted, even to blindness, and has forgotten that he was cleansed from his old sins.

10Therefore, brethren, be even more diligent to make your call and election sure, for if you do these things you will never stumble;