23:3.7
I am at a loss to explain to Urantia mortals how the Solitary Messengers can be without form and yet possess real and definite personalities. Although they are without that form which would naturally be associated with personality, they do possess a spirit presence which is discernible by all higher types of spirit beings. The Solitary Messengers are the only class of beings who seem to be possessed of well-nigh all the advantages of a formless spirit coupled with all the prerogatives of a full-fledged personality. They are true persons, yet endowed with nearly all of the attributes of impersonal spirit manifestation.