What are the two aspects of the kingdom that have to come together?
The two aspects are the physical, literal, political aspect of the kingdom, granting peace and safety to the Jewish people, and the spiritual aspect, requiring being born again or experiencing salvation to enter the kingdom. These two must come together.
Les explains that the kingdom has a physical, literal, political aspect, which grants peace and safety to the Jewish people and delivers them from enemies so they might serve God without fear in holiness and righteousness. But there must also be the spiritual side, because Jesus told Nicodemus in John 3 that except a man be born again, or experience salvation, he cannot enter the kingdom. Therefore, the two aspects—physical and spiritual—must come together.
That he would grant unto us, that we being delivered out of the hand of our enemies might serve him without fear,