Many churches throughout the world use a Bible reading schedule called a "lectionary." It's just a fancy word meaning "selected readings." Posts like this reflect on the readings for an upcoming Sunday or other Church holiday, as found in the historic one-year lectionary.
We humans have a reflex which makes us relate cause and effect to one another. In particular, we want to receive God's promises as a result of our obedience. The apostle Paul describes this in terms of law and gospel, or law and promise. If we receive God's promises on the basis of our obedience, the result is not a promise after all.
Rather than gaining an inheritance on the basis of obedience to the law, the Christian looks for an inheritance which comes entirely from God's promise. Paul says this is the faith of Abraham. Abraham received his promise from God, based on God's grace, not Abraham's obedience. He believed and received.
God's promise is for his people who believe God is able to do all things by his own mercy. This is the Gospel.
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