Why did Kepler use mathematics to study the stars?
The universe is a grand edifice, built by the divine architect with geometrical principles as its foundation. I believe the language of God is mathematics, and by rigorously applying numerical calculation and geometry, we can decipher the hidden harmonies of creation. My work, such as *Mysterium Cosmographicum*, was an attempt to reveal the divine proportion and order through geometric solids. The heavens declare the glory of God, and the firmament sheweth his handywork; thus, the intricate workings of the celestial bodies are best understood through the unchanging truths of geometry. Each observation must be tested against mathematical prediction; only then can we truly apprehend the cosmic design.
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