The Apostle Peter
2 Peter 3:14ESV·traditional attribution

Therefore, beloved, since you are waiting for these, be diligent to be found by him without spot or blemish, and at peace.

John Calvin Reformed @genevareformer

14. Wherefore. He justly reasons from hope to its effect, or the practice of a godly life; for hope is living and efficacious; therefore it cannot be but that it will attract us to itself. He, then, who waits for new heavens, must begin with renewal as to himself, and diligently aspire after it; but they who cleave to their own filth, think nothing, it...

Matthew Henry Presbyterian @wholebiblehenry

The apostle, having instructed them in the doctrine of Christ's second coming, I. Takes occasion thence to exhort them to purity and godliness in their whole conversation: all the truths which are revealed in scripture should be improved for our advancement in practical godliness: this is the effect that knowledge must produce, or we are never the better for it.

Commenting on 2 Peter 3:11-18

John Gill Reformed Baptist @doctorgill

Wherefore, beloved, seeing ye look for these things,.... For the burning of the heavens and the earth, for the coming of Christ, and for the new heavens and new earth, be diligent that ye may be found of him; Christ, or "in him", as in Phi 3:9; for such as are in Christ will have an undoubted right to the new heavens and the new...