1 Peter 1:12 in the King James Version
Unto whom it was revealed, that not unto themselves, but unto us they did minister the things, which are now reported unto you by them that have preached the gospel unto you with the Holy Ghost sent down from heaven; which things the angels desire to look into.
Context
11 searching for who or what kind of time the Spirit of Christ which was in them pointed to when he predicted the sufferings of Christ and the glories that would follow them.
12 To them it was revealed that they served not themselves, but you, in these things, which now have been announced to you through those who preached the Good News to you by the Holy Spirit sent out from heaven; which things angels desire to look into.
13 Therefore prepare your minds for action. Be sober, and set your hope fully on the grace that will be brought to you at the revelation of Jesus Christ—