God's watermark is a distinct trademark for His children

Singing:
Psalm 105: 1, 3
Hymn 2: 3
Psalm 112: 1, 3
Hymn 57: 1, 2, 3
Hymn 58: 1, 2, 3
Psalm 90: 8

Reading:
1 Corinthians 10: 1 – 13
Belgic Confession art 34
Lord's Day 26

Sermon:
God's watermark is a distinct trademark for His children.

1. It is a proof of His covenantal love
2. It is a guarantee of His reliable covenant Name
3. It signifies His promise of a renewed covenant life