What is it about the heart? Phrases like, “bless your heart,” “cross my heart,” “young at heart,” and more pepper our everyday speech. But other than the obvious fact that a beating heart is essential for life, what compels us to so often speak figuratively about it? In this week’s lesson, we’ll dive into that question as we study Pharaoh’s response to the ten plagues of Egypt in Exodus 7–13. And we’ll learn what actually softened his heart enough to let the Israelites go.