Introduction: 

Look Back (v1-9). 

Look Around (v10-13). 

Look Forward (v14-18). 

Conclusion: 

We are living in the Last Days: 

Christ could return at any moment. 
But the Lord’s patience means salvation. 
Don’t waste the life that God has given you. 

This doctrine is absolutely vital to our faith and life: 

It provides a strong motive to Godly Living. 
It provides a great reason for Evangelism. 
It provides a powerful peace in uncertain times.