In grade school, I learned about an invisible law called gravity. It was on the playground where eight swings were installed side by side. We had a contest to see who could make his swing go the highest. I was standing up on my swing, and at a point where it was as high as it could go, I slipped—and I kept on going up and clear out of sight.
Do you believe that? No, thanks to the law of gravity, I came down so hard the impact broke one of my teeth.
Wouldn’t it be difficult if gravity worked only part of the time? Imagine walking in your neighborhood and never knowing for sure whether you would fly up or come down. Fortunately we can depend on the law of gravity. And though you can’t touch it or see it, if you jump out of a window, you will feel it. (Read More)