A common vision can unite people of very different temperaments.
Anything can serve as a counterfeit god, especially the very best things in life.
True citizens of the heavenly city are the best residents of the earthly city.
The Gospel is good news not good advice. Advice = what we should do. News = report of what was done for us.
How could a good, all-powerful God allow suffering?
Revival occurs as a group of people who, on the whole, think they already know the gospel discover they do not really or fully know it, and by embracing the gospel they cross over into living faith.