What is Peter's testimony regarding it?

Answer

"For we have not followed cunningly devised fables, when we made known unto you the power and
coming of our Lord Jesus Christ, but were eye-witnesses of His majesty!' 2 Peter 1:16.

What writings are specifically mentioned as containing some things difficult to understand?
With whom did sin originate?
What has Christ been made for us, and for what purpose?
How perfect is the unity into which believers are brought by being baptized into Christ?
Did Jesus ever make use of ordinary means in performing His miracles?
By what three distinct acts, then, was the Sabbath made?
Why did God give His only begotten Son to the world?

Questions & Answers are from the book Bible Readings for the Home Circle