"To me it is truly remarkable that on a single sheet of paper one can write down the laws that govern all known physical phenomena, covering forty-three orders of magnitude, from the farthest reaches of the cosmos over 10 billion light-years away to the microworld of quarks and neutrinos. On that sheet of paper would be just two equations, Einstein's theory of gravity and the Standard Model. To me this reveals the ultimate simplicity and harmony of nature at the fundamental level. The universe could have been perverse, random, or capricious. And yet it appears to us to be whole, coherent, and beautiful.
There will always be things that are beyond our grasp, that are impossible to explore (such as the precise position of an electron, or the world existing beyond the reach of the speed of light). But the fundamental laws, I believe, are knowable and finite. And the coming years in physics could be the most exciting of all, as we explore the universe with a new generation of particle accelerators, space-based gravity wave detectors, and other technologies. We are not at the end, but at the beginning of a new physics.
But whatever we find, there will always be new horizons continually awaiting us."- Michio Kaku, Physics of the Impossible
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