2nd Peter 1:10

7 And love of the brothers to fear of God, and to love of the brothers, love itself.

8 For if you have these things in good measure, they will make you fertile and full of fruit in the knowledge of our Lord Jesus Christ.

9 For the man who has not these things is blind, seeing only what is near, having no memory of how he was made clean from his old sins.

10 For this reason, my brothers, take all the more care to make your selection and approval certain; for if you do these things you will never have a fall:

11 For so the way will be open to you into the eternal kingdom of our Lord and Saviour Jesus Christ.

12 For this reason I will be ready at all times to keep your memory of these things awake, though you have the knowledge of them now and are well based in your present faith.

13 And it seems right to me, as long as I am in this tent of flesh, to keep your minds awake by working on your memory;