The undersigned was requested to write an anniversary article in connection with his rubric: The History of Doctrine. We comply gladly. I repeat: we comply gladly. Why? There is a reason why we comply gladly to contribute an article to this anniversary of fifty years of our existence as Protestant Reformed Churches. There is something about this celebration that should thrill our people, thrill all those who love the truths of God’s infallible Word and Scripture. What is this cause for our joy and happiness?