You Have This World Of Mathematics, Which

The Average Ground Temperature Of The Earth Is Impossible To Measure Since Most Of The Earth Is Ocean...so This Average Ground Temperature Is A Fiction.

The Point Of Fact Is, Just In Simple Ways, You Can See How Much Better Things Have Gotten. I Mean, When I Was A Child, I Lived In England, And England Was Just Amazingly Polluted. We Didn't Use That Word. We Just Said It Was It All Covered With Soot.

From My Childhood It Has Been My Conviction That Men Would Reach The Planets In My Lifetime . . . This Conviction . . . Rests On Two Beliefs, One Scientific And One Political: (1) There Are More Things In Heaven And Earth Than Are Dreamed Of In Our Present-day Science. And We Shall Only Find Out What They Are If We Go Out And Look For Them. (2) It Is In The Long Run Essential To The Growth Of Any New And High Civilization That Small Groups Of People Can Escape From Their Neighbors And From Their Governments, To Go And Live As They Please In The Wilderness.

The Greatest Unsolved Mysteries Are The Mysteries Of Our Existence As Conscious Beings In A Small Corner Of A Vast Universe.

The Only Way To Improve The Chances For Finding Winners Is To Keep All The Choices Open And Try Them All.