The prophet Isaiah experienced God showing up at a point of cultural crisis and decline. Isaiah needed some way of facing the crisis and facing the future. When Isaiah experienced God showing up, what did he see? He saw: 1) A God who is not boring; 2) A God who is holy; and 3) A God who is on a mission. This sermon was preached by Dr. Timothy Keller at Redeemer Presbyterian Church on September 11, 2011. Series: Theophany: Anticipations of Jesus in the Old Testament. Scripture: Isaiah 6:1-8. Today's podcast is brought to you by Gospel in Life, the site for all sermons, books, study guides and resources from Timothy Keller and Redeemer Presbyterian Church. If you've enjoyed listening to this podcast and would like to support the ongoing efforts of this ministry, you can do so by visiting https://gospelinlife.com/give and making a one-time or recurring donation.