It Often Happens That I

Gravity Is So Strong That Space Is Bent Round Onto Itself, Making It Rather Like The Surface Of The Earth. If One Keeps Traveling In A Certain Direction On The Surface Of The Earth, One Never Comes Up Against An Impassable Barrier Or Falls Over The Edge, But Eventually Comes Back To Where One Started.

We Should Seek The Greatest Value Of Our Action.

I Want To Encourage Public Interest In Space. I Have Never Let My Condition Stop Me. You Only Live Once.

A Model Is A Good Model If First It Interprets A Wide Range Of Observations In Terms Of A Simple And Elegant Model, And Second If The Model Makes Definite Predictions That Can Be Tested, And Possibly Falsified, By Observation.

When Something Is Made Idiot Proof, They Will Just Make Better Idiots.