3 Certainties:

The Certainty of Death

The Certainty of Judgment

The Certainty of the Return of Jesus

Application:

Be eagerly waiting.

Be spiritually awake.

Supplemental Text:

Psalm 139:16

Acts 17:30-31

2 Corinthians 5:10

1 Corinthians 15:51-57

Galatians 5:5

Philippians 3:20

Romans 8:25

2 Corinthians 4:16-5:5

1 Thessalonians 5:2-9

Luke 21:34-36

Matthew 6:33