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

The fifth degree of spirit is the Holy Spirit, which is the mediator between God and His creation. It is like a mirror facing the sun: Just as a spotless mirror receives the rays of the sun and reflects its bounty to others, so too is the Holy Spirit the mediator of the light of holiness, which it conveys from the Sun of Truth to sanctified souls. This Spirit is adorned with all the divine perfections. Whensoever it appears, the world is revived, a new cycle is ushered in, and the body of humanity is clothed in a fresh attire. It is like the spring: When it arrives, it transports the world from one condition to another. For at the advent of springtide the black earth, the fields, and the meadows become green and verdant; flowers and sweet-scented herbs of every kind spring forth; trees are endowed with a new life; wondrous fruits are produced; and a new cycle is inaugurated (36:7)

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