All Through College, I Had Frequently Been

Historically, Girls Have Not Been Encouraged To Be Scientists, To Be Explorers, And There's A Social Kind Of Constraint, Of Course. Having The Responsibility, A Disproportionate Part Of The Responsibility, For Caring For Families, Caring For Children. I Know This Challenge From Firsthand Experience Because I Have Three Children And Four Grandsons.and Some Of The Time I Have Spent As A Scientist And As An Explorer Has Meant Choosing To Not Be With My Children And Grandchildren As Much As I Might Otherwise Have Done Had I Not Been A Scientist, An Explorer.

Humans Have Always Wondered The Big Questions, "who Am I? Where Have I Come From? Where Am I Going?" It's Part Of Human Nature. It's Perhaps The Underpinnings Of Religion.

When I Arrived On The Planet, There Were Only Two Billion. Wildlife Was More Abundant, We Were Less So; Now The Situation Is Reversed.

I Hope That Someday We Will Find Evidence That There Is Intelligent Life Among Humans On This Planet.

Any Astronaut Can Tell You You've Got To Do Everything You Can To Learn About Your Life Support System And Then Do Everything You Can To Take Care Of It.