More and more people yearned for knowledge and a distant unseen future, waving goodbye to their loved ones, friends, and their past, transforming themselves into various life forms: solid, metallic, elemental, energy-state, light-state, antimatter-state, virtual-state, and actual energy particulate state.
Even knowing that the path ahead is dangerous and there is no turning back, that they might vanish at any moment, there will always be someone among the vast human population who comes forward to fill the voids civilization requires, like water flowing into empty spaces.
This is the river of civilization, always filling the crevices within the sands.
As long as they remain eternally united and never forget their origins from the unremarkable blue planet at the edge of the Milky Way Galaxy, the human river will flow endlessly to every corner of the universe, exploring every mysterious aspect of cosmic laws.
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