  This essay is based on a physics lecture given at the Hong Kong University of
Science and Technology on May 24, 2006, Hong Kong. It has 5 sections and one
page of references and suggested reading. The section titles are: 1. Origin of
the Universe and Quantum Gravity 2. Two major paradigms in Physics and Two
directions of Research in Cosmology 3. The Mescoscopic Structures of Spacetime
and Stochastic Gravity 4. One Vein of the Hydro View: Spacetime as Condensate?
5. Implications for the Origin of the Universe and other issues.
