is not one book, but a little library of twenty-seven, by at least seven different writers, and the period of its production spans about half a century. There is no sign of collusion, yet there is no collision. HBS 42.1
There is not only harmony, but progress of doctrine. Truths, found in germ in the Gospels, are historically illustrated in the Acts, doctrinally unfolded and applied in the Epistles, and symbolically presented in the Apocalypse. [p. 92] HBS 42.2