But the end of all things is near. Therefore be of sound mind, self-controlled, and sober in prayer.
is at hand -- The idea is that of a process consummated with a resulting nearness; that is, “imminent.” - MSB [Again while MSB is correct about the meaning being something "imminent" the source again assumes Peter is referring to "the return of Jesus" and assumes that Peter was wrong. The end of Jerusalem and the end of the Jewish nations was important because it meant the end of Jewish and Nero’s persecution against the Christians. See Revelation 2:9; Revelation 3:9; - WG]