If We Do Discover A Complete Theory,

Many People Do Not Like The Idea That Time Has A Beginning, Probably Because It Smacks Of Divine Intervention. (the Catholic Church, On The Other Hand, Seized On The Big Bang Model And In 1951 Officially Pronounced It To Be In Accordance With The Bible.

The Life We Have On Earth Must Have Spontaneously Generated Itself. It Must Therefore Be Possible For Life To Generate Spontaneously Elsewhere In The Universe.

So Great A Contribution To Physics Was Two New Sciences That Scholars Have Long Maintained That The Book Anticipated Isaac Newton's Laws Of Motion.

If We Ever Do Find A Complete Theory Of The Universe, It Would Be A Great Triumph Of Human Reason But It Wouldn't Leave Much For Us To Do. We Need An Intellectual Challenge.

Bodies Like The Earth Are Not Made To Move On Curved Orbits By A Force Called Gravity; Instead, They Follow The Nearest Thing To A Straight Path In A Curved Space, Which Is Called A Geodesic. A Geodesic Is The Shortest (or Longest) Path Between Two Nearby Points.