In Chase the Lion, Mark Batterson writes that in 1983 Lorne Whitehead published an article about the domino chain reaction. You can picture it in your mind, can't you? You knock over a domino, and it sets off a chain reaction that can knock down hundreds of dominoes in a matter of seconds. But the unique significance of Whitehead's research was discovering that a domino is capable of knocking over a domino that is one-and-a-half times its size. So a two-inch domino can topple a three-inch domino. A three-inch domino can topple a four-and-a-half-inch domino. And a four-and-a-half-inch domino can topple a … well, you get the point.

By the time you get to the eighteenth domino, you could knock over the Leaning Tower of Pisa. Of course, it's leaning so that's not fair. The twenty-third domino could knock over the Eiffel Tower. And by the time you get to the twenty-ninth domino, you could take down the Empire State Building.

In the realm of mathematics, there are two types of progression: linear and geometric. Linear progression is two plus two equals four. Geometric progression is compound doubling. Two times two equals four. If you take thirty linear steps, you're ninety feet from where you started. But if you take thirty geometric steps, you've circled the earth twenty-six times!

Faith isn't linear. Faith is geometric. Every decision we make, every step of faith we take, has a chain reaction. And those chain reactions set off a thousand chain reactions we aren't even aware of. They won't be revealed until we reach the other side of the space-time continuum.