2 Peter 1:10 in the King James Version
Wherefore the rather, brethren, give diligence to make your calling and election sure: for if ye do these things, ye shall never fall:
Context
9 For he who lacks these things is blind, seeing only what is near, having forgotten the cleansing from his old sins.
10 Therefore, brothers, be more diligent to make your calling and election sure. For if you do these things, you will never stumble.
11 For thus you will be richly supplied with the entrance into the eternal Kingdom of our Lord and Savior, Jesus Christ.