The earth has its inhabitants, the water and the air contain
many living beings and all the elements have their nature spirits, then how is
it possible to conceive that these stupendous stellar bodies are not inhabited?
Verily, they are peopled, but let it be known that the dwellers accord with the
elements of their respective spheres. These living beings do not have states of
consciousness like unto those who live on the surface of this globe: the power of
adaptation and environment moulds their bodies and states of consciousness,
just as our bodies and minds are suited to our planet….
Beings who inhabit those distant luminous bodies are attuned
to the elements that have gone into the composition of their respective
spheres.
(‘Abdu’l-Baha, ‘Divine Philosophy’; compilation: ‘Nature’, prepared by
the Research Department of the Universal House of Justice)