Some Ans. Questions 2014 by -'Abdu'l-Bahá- 1 Para

Beyond this, the members, constituent parts, and composition that are found within man attract and act as a magnet for the spirit: The spirit is bound to appear in it. Thus, when a mirror is polished, it is bound to attract the rays of the sun, to be illumined, and to reflect splendid images. That is, when these physical elements are gathered and combined together, according to the natural order and with the utmost perfection, they become a magnet for the spirit, and the spirit will manifest itself therein with all its perfections (52:5)

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