In a painful conversation with Peter recorded in John 21:1-19, Jesus asked him three times if he loved him. Peter answered by declaring his love for Jesus three times. In response, Jesus charged Peter to take care of his people and to follow him. The question and the charge are for us as well.
Adam was a type of Christ, each having the same role as the representative of his people, but with opposite outcomes.
In his sermon to the synagogue in Antioch, Paul emphasized that Jesus is the fulfillment of all of Old Testament history and prophecy.
With parables and warnings, Jesus told everyone in his day and ours to be ready for the coming of the Son of Man.