In Ge 1, God said it was 'good' seven times:
- Day 1: light
- Day 3: separation of land and seas
- Day 3: seed
- Day 4: lights from light
- Day 5: fish and birds from water
- Day 6: critters from earth
- Day 6: man
The seventh 'good' was 'very good'. It sums up the 3+3 goods, like the menorah.