Jesus' teaching on the end times is meant to serve as a warning for all those who have not repented and believed in Him. Specifically, that Jesus will return in judgment.

During the time of the Great Tribulation persecution will greatly increase against the nation of Israel.

Even as God judges the world for its rebellion against Him, He still continues to care for His own people.

The Second Coming of Christ is an event which all of human history has been building towards. Here, Christ will return in power and glory.

All Christians should be encouraged and strengthened that our Lord will return for His own.

If the main points of the Olivet Discourse address future events, what purpose did the sermon serve for Jesus' disciples?

Christians must live in light of the reality that Christ will return. This means every Christian must be faithful to Christ and His gospel.