A few years ago, the magazine I edit used the theme Built on Bedrock. Tsunamis sometimes happen and we watch on television as buildings crumble and are washed away. I think about Christ’s illustration in Matthew 7:24–27 of the different results for the man who built his house upon sand and the one who built upon rock.  Bedrock … just what does it represent in our lives? Some might identify it as sound doctrine or …