Had intended to get several more stories finished ... particularly the five in 1 Corinthians 10, but didn't make it. So this lesson just hits the high points of the stories of the Gold Calf (Exodus 32), complainer's fire and the Quail (Numbers 11) and Israel's failure to accept God's gift - the promised land (Numbers 13-14).
Other scriptures mentioned are Mark 4.18-20