We want things explained, laid out in a nice neat package. Believe and do! But life is complex and we are too easily distracted. So John says, pay attention to how deeply God loves you and what Christ endured to make that love real and accessible.
However you choose to describe the writer of Ecclesiastes – preacher, sage, ethicist, philosopher – he is definitely a realist. He acknowledges the facts of life, but he trusts God without demanding answers to all his questions.
Whether on a national or personal level, accepting responsibility for failure is never easy. But when God is involved the whole situation is different because the human heart can change, circumstances can be transformed, and a new beginning is possible.
The portion of the Bible that includes Joshua, Judges, 1-2 Samuel, and 1-2 Kings was finalized and edited during the Babylonian exile, when Israel desperately needed to know their history and God's purpose for them as his people. Exile was a time of lost memories, despair, and desperation.