It's Hard Not To Be Excited When

But I Found That Being An Artist And Doing Accurate Work Is Very Difficult.

The Moon Is Very Rugged.

Test Pilots Have A Litmus Test For Evaluating Problems. When Something Goes Wrong, They Ask, "is This Thing Still Flying?" If The Answer Is Yes, Then There's No Immediate Danger, No Need To Overreact.

I Can Remember Walking On The Moon.

It's Hard Not To Be Excited When You're Going To Find A Way To Land On The Moon.