Does God Exist Outside of Time? 2 Peter 3 and the Patience of God
Peter does not hand us a philosophy of time or a calendar for Christ's return. He tells a waiting church that God's measure of time is not theirs, and that the delay has a reason: patience that calls people to repentance.
The clarity of Scripture and why interpretation is still hard: A Biblical Guide
Peter admits that some things in Paul's letters are hard to understand, yet he still treats them as Scripture that unstable people twist. The Bible's clarity is not that every passage is equally easy, but that what is needed for salvation and obedience is clear enough to grasp and obey.