The greatest obstacle preventing the Israelites from escaping Egypt and entering the Promised Land wasn’t Pharaoh and his vast army. It wasn’t the daunting Red Sea or the fortified Canaanite cities. The greatest obstacle to the fulfillment of God’s promise was the grumbling of God’s people. Grumbling gives voice to our distrust of God’s sovereignty in our lives. God said, “How long shall this wicked congregation grumble against me? I have heard the grumblings of the people of Israel, which they grumble against me” (Numbers 14:27, ESV). Like a parent who has reached the end of their patience, God had…