Disability Can Be No Handicap.

So Remember To Look Up At The Stars And Not Down At Your Feet. Try To Make Sense Of What You See And Hold On To That Childlike Wonder About What Makes The Universe Exist.

Think Of Our Dna. In The Last Million Years, Our Dna Hasn't Changed At All. It's Really Much The Same As It Was In The Jungle, A Million, Two Millions Years Ago. But In The Last 200 Years, Our Destructive Capacities Have Increased Many, Many Millions Of Times Over. Why Don't We See Intelligent Signals From Outer Space? Because In All Likelihood, Once The Civilization Reaches The Point Our Civilization Has Reached, It Destroys Itself.

It Matters If You Don't Just Give Up.

There Should Be No Boundaries To Human Endeavor. However Bad Life May Seem, There Is Always Hope.

The Lesson Of The Book Is That The Universe Is Governed By The Laws Of Science.