In order to fully appreciate the marvels in any construction or invention, one first needs to assemble detailed information about it and how it must have come to be. This holds true for the human body which possesses many marvelous features in addition to the perfection of its external appearance. Without learning and reflecting on these details, you cannot come to a full realization of the miracles occurring within you. The fact is, however, extraordinary, near-instantaneous events take place inside your body whenever you fear that a car is about to run into you, when you catch the flu, suffer a rise in blood pressure, or even greet a friend. Molecules invisible to the naked eye work like honeybees inside your cells, performing in a matter of seconds or even microseconds actions that are so complex and require such sophisticated expertise that even cellular biologists have some difficulty in comprehending them—much less explaining them. Almighty God, Creator of the entire universe and all living things and human beings without doubt created these molecules, with their flawless systems and breathtaking abilities, for a particular purpose. For that reason, it behooves anyone possessed of reason and good conscience to learn and reflect on the miracles in God's creation. This book has been written to set forth certain proofs of the existence of our Lord, the Compassionate and Merciful, and the perfection of His creation, in a manner that every reader can easily comprehend.