We Are Not Machines Exploring The Universe,

Square Astronaut, Round Hole. But Somehow, I'd Managed To Push Myself Through It, And Here Was The Truly Amazing Part: Along The Way, I'd Become A Good Fit. It Had Only Taken 21 Years.

In All Of The Movie Portrayals, A Spacewalking Suit Seems Sort Of Insignificant, Like A Pair Of Shorts And A T-shirt. No One Thinks Much About It. But It's A Spaceship, Not A Spacesuit, An Entire Life-support Mechanism That's Incredibly Complex And Cumbersome. It's Very Difficult To Put On And Off. You Have To Run It The Whole Time You Are Wearing It, And It Redefines How You Move. It's Like If You Put On A Wetsuit And A Snowmobile Suit And Froze Yourself Solid And Then Tried To Go And Do Work.

Early Success Is A Terrible Teacher. You're Essentially Being Rewarded For A Lack Of Preparation, So When You Find Yourself In A Situation Where You Must Prepare, You Can't Do It. You Don't Know How.

Good Leadership Means Leading The Way, Not Hectoring Other People To Do Things Your Way.

For The Last Several Years And Culminating In Six Months In Orbit Next Year, I've Been Training For My Third Space Flight. This One Is Almost In A Category Completely Different Than The Previous Two, Specifically To Live In On The Space Station For Six Months, To Command A Space Ship And To Fly A New Rocket Ship.