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.

To whom did this promised seed refer?
Upon what ground were the previous promises then renewed to Abraham?
What threefold union is thus established?
8. In what language did Christ briefly describe the experiences of His people previous to these calamities?
What will He say to those on His right hand?
What did the Sadducces in Christ's time deny?
What is said of Cornelius and his family?

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