" ... this endless universe is like the human body, and that all its parts are connected one with another and are linked together in the utmost perfection."

" ... My meaning, instead, is that this endless universe is like the human body, and that all its parts are connected one with another and are linked together in the utmost perfection. That is, in the same way that the parts, members, and organs of the human body are interconnected, and that they mutually assist, reinforce, and influence each other, so too are the parts and members of this endless universe connected with, and spiritually and materially influenced by, one another. For example, the eye sees and the entire body is affected; the ear hears and every limb and member is stirred. Of this there is no doubt, for the world of existence is also like a living person. Thus, the interconnection that exists between the various parts of the universe requires mutual influences and effects, whether material or spiritual."...

‘Abdu’l-Bahá, Some Answered Questions