"<a href=""https://www.youtube.com/watch?v=Gfr50f6ZBvo&amp;t=1h28m00s"">1:28:00</a> Energy is limited. The aliens don’t shine with a brightness visible across space. In order to survive through eons after their conscience awakening they learn the sustainability formula <a href=""https://youtu.be/kZA9Hnp3aV4"">https://youtu.be/kZA9Hnp3aV4</a>"