What experience in the life of a noted prophet indicated the length of Christ's stay in the grave?

Answer

"But He answered and said unto them, An evil and adulterous generation seeketh after a sign; and there
shall no sign be given to it, but the sign of the prophet Jonas: for as Jonas was three days and three nights
in the whale's belly; so shall the Son of man be three days and three nights in the heart of the earth." Matt.
12: 39, 40.

Does it matter what one believes, so long as he is sincere?
What was offered in this sanctuary?
What will be the standard in the judgment?
In what instruction did He emphasize the importance of keeping the law?
Does the Bible recognize this as the proper time for beginning and ending the Sabbath?
Who is Lord of the Sabbath?
If an answer does not come at once, what should we do?

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