Set your affection on things above, not on things on the earth. Colossians 3:2.
When God's people take their eyes off the things of this world and place them on heaven and heavenly things they will be a peculiar people, because they will see the mercy and goodness and compassion that God has shown to the children of men. His love will call forth a response from them, and their lives will show to those around them that the Spirit of God is controlling them, that they are setting their affections on things above, not on the things of the earth.
In thinking of heaven, we may put our imagination to the utmost stretch and think the loftiest thoughts that we are capable of thinking, and our minds will grow weary in the effort to comprehend the breadth and depth and height of the subject. It is impossible for our minds to take in the great themes of eternity. It is impossible for us even to make an effort to understand these things without the effort affecting our whole character for good and having an uplifting influence on our minds. As we think of how Christ came to our world to die for fallen man, we understand something of the price that was paid for our redemption, and we realize that there is no true goodness or greatness apart from God.
Only by the light shining from the cross of Calvary can we know to what depths of sin and degradation the human race has fallen through sin. Only by the length of the chain let down from heaven to draw us up can we know the depths to which we had sunk. And it is only by keeping the unseen realities in view that we can understand anything of the wonderful theme of redemption.
We are almost home; we shall soon hear the voice of the Saviour richer than any music, saying, Your warfare is accomplished. Enter into the joy of thy Lord. Blessed, blessed benediction; I want to hear it from His immortal lips. I want to praise Him; I want to honor Him that sitteth on the throne. I want my voice to echo and re-echo through the courts of heaven. Will you be there? ... God help us, and fill us with all fullness and power, and then we can taste of the joys of the world to come.