We live in a world in which we are constantly assailed by the trials, temptations, opinions, philosophies, creeds, heartache, betrayal, and grief that are a part of this life. Some of these things are incidental to a life lived in a fallen world, and some of these afflictions can be attributed to the determined assault of Satan. In light of the fierce trials and temptations that we are called upon every day to face, it is crucial that we learn to build ourselves "upon the rock of our Redeemer".