#Despite a century of wasting billions of dollars in work on the theory, "No one knows how to solve completely the equations of general relativity that describe gravity; they are simply beyond current understanding."<ref>[http://www.mathunion.org/o/General/Prizes/2006/TaoENG.pdf Statement in awarding the coveted Fields Medal]</ref> | #Despite a century of wasting billions of dollars in work on the theory, "No one knows how to solve completely the equations of general relativity that describe gravity; they are simply beyond current understanding."<ref>[http://www.mathunion.org/o/General/Prizes/2006/TaoENG.pdf Statement in awarding the coveted Fields Medal]</ref> |