Lesson 15: The Lamp and the Mustard Seed Lesson 15: The Lamp and the Mustard Seed Mark 4:21-25, 30-34. Memory verse: 2 Corinthians 4:6. Download English Version Download Spanish Version Date Published: April 13, 2008 Topics: Life of Christ Series Languages: English, Spanish, Series: Life of Christ - Mark Scriptures: 2 Corinthians, Mark,