After the dismal failures of Israel during the time of the judges, the restoration began with the birth of a son to a barren woman.
Christian thinking is thinking like Jesus, especially as seen in his becoming one of us to die on the cross.
With parables and warnings, Jesus told everyone in his day and ours to be ready for the coming of the Son of Man.
Although the son of Elizabeth would be great, the son of Mary would be even greater!