I preached Genesis 22:1-14 today at the Shiloh Church. I entitled the message, "Testing Time" (22:1). The big idea of the sermon was simply that a faith that cannot be tested cannot be trusted. God enrolls us in the school of faith to promote us to graduation. But spiritual promotion requires divine testing. In verse 8, Abraham responds to Isaac's question by declaring, "God will provide for himself a lamb for the burnt offering." And when God provided, Abraham named the place, "The Lord will provide" (22:14). As I talked about the God who provides, I quoted the words of a...