Have we ever wondered how a worm gets inside an apple? If we think that the worm burrows in the apple from the outside, we’d be wrong. Scientists have discovered that the worm comes from the inside of the apple. But, how in the world did he get there? The answer is simple. Female apple maggot flies finds a sweet smelling apple that is ripening and lands on it. Using a small, sharp, hollow tube on the underside of her body, the fly stabs a small hole in the fruit. Then she releases her eggs, which slide down that hollow tube into the apple. Soon afterward, the eggs hatch inside the heart of the apple into tiny white worms called railroad worms, who eat their way out of the apple. Similarly, sin, like the worm, begins in the heart of man and works out through an individual’s thoughts, words, and actions (Matthew 12:34-37; Matthew 15:15-20; Mark 7:14-23; James 1:14-15). For this very reason, David prayed, “Create in me a clean heart, O God, And renew a steadfast spirit within me” (Psa...