It Is Better To Be Wrong Than

The Great Advances In Science Usually Result From New Tools Rather Than From New Doctrines.

Just Because You See Pictures Of Glaciers Falling Into The Ocean Doesn't Mean Anything Bad Is Happening. This Is Something That Happens All The Time. It's Part Of The Natural Cycle Of Things. We Know From Measurements That Glaciers Have Been Melting For 200 Years At Least.

There Are Three Reasons, . . . Apart From Scientific Considerations, Mankind Needs To Travel In Space. The First . . . Is Garbage Disposal; We Need To Transfer Industrial Processes Into Space So That The Earth May Remain A Green And Pleasant Place For Our Grandchildren To Live In. The Second . . . To Escape Material Impoverishment: The Resources Of This Planet Are Finite, And We Shall Not Forego Forever The Abundance Of Solar Energy And Minerals And Living Space That Are Spread Out All Around Us. The Third . . . Our Spiritual Need For An Open Frontier.

Biology Is Now Bigger Than Physics, As Measured By The Size Of Budgets, By The Size Of The Workforce, Or By The Output Of Major Discoveries; And Biology Is Likely To Remain The Biggest Part Of Science Through The Twenty-first Century.

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.