Many religious teachings of ancient life associated with the gods of clouds that travel on them, like ships. Therefore the sages warned people from rising to the top of some cloud at night so as not to disturb the gods and thereby bring misfortune on themselves and their loved ones.
Thus, according to the Bible, God dwells in unapproachable light, but in order to communicate with sinful people, he envelops himself cloud and mist, repaying's glory (Deut. 5.22). For this reason, Jesus predicted that in the hour of his Second Coming he will come on the clouds in the power and glory of God and fulfill all at lightning speed.
In mystics and researchers of paranormal different view of the clouds. Some of them believed that the clouds - the souls of the dead or not yet born people who are watching from the heights of earthly life of mankind, giving him all possible assistance. Hence, even the concept of the soul itself since ancient times is represented as a small light clouds.
Another part of the mystics see the clouds some form of living matter, which exists alongside our own and has its own consciousness. It is something meaningful and explains the behavior of clouds. In our earthly world clouds come from invisible to us parallel worlds. Thus, through the clouds liaison between the different worlds, which proves that we are not alone in the universe.
no I don't think they are.