I Felt Pretty Confident In Relieving Myself,

Don't Waste Your Time On Beaming People Up Or Down. Instead, Consider Gravity Waves As Advanced Physics Of The Universe That Could Be Used To Travel Interstellar Distances.

Unless We Are Able To Commit To A Permanent Growing Settlement [on Mars], Then I Don't Think Just Going There With Humans And Coming Back Is Worth Doing. The Expense Of Planning To Come Back Is Like The People Who Left Europe To Come To America And Then To Turn Around And Go Back To Europe, It Really Doesn't Make Any Sense At All.

It's Not Easy To Get Human Beings Into Orbit. So Far Only Three Nations Have Been Able To Do That, With All The Resources That They Put Together. And I'm Just A Little Skeptical That That's Going To Be Done By The Private Sector Without Making Use Of What Has Been Done By The Government.

I Wrote 'reaching For The Moon' Because I Wanted To Tell Kids That All Of Us Have A Moon, A Dream, That We Can Strive For. Even If You Don't Attain It, You Can At Least Reach For It.

Climate Has Been Changing For Billions Of Years.