Concerning what did Christ tell us not to marvel?

Answer

"Marvel not at this: for the hour is coming, in the which all that are in the graves shall hear His voice, and
shall come forth; they that have done good, unto the resurrection of life; and they that have done evil, unto
the resurrection of damnation." John 5: 28, 29.

When and by what means will the effects of sin be removed?
What message of entreaty has God sent to us through His appointed messengers?
Instead of consenting to His release, what did Christ's accusers now demand?
What deliverance was thus made possible?
Through which covenant only is there remission f sins?
How did this change in observance of days come about, suddenly or gradually?
In religious things, to whom alone are we accountable?

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