Real Patriots Ask Questions.

[n]o Scientist Likes To Be Criticized. ... But You Don't Reply To Critics: "wait A Minute, Wait A Minute; This Is A Really Good Idea. I'm Very Fond Of It. It's Done You No Harm. Please Don't Attack It." That's Not The Way It Goes. The Hard But Just Rule Is That If The Ideas Don't Work, You Must Throw Them Away. Don't Waste Any Neurons On What Doesn't Work. Devote Those Neurons To New Ideas That Better Explain The Data. Valid Criticism Is Doing You A Favor.

There Is Much That Science Doesn't Understand, Many Mysteries Still To Be Resolved. In A Universe Tens Of Billions Of Light-years Across And Some Ten Or Fifteen Billion Years Old, This May Be The Case Forever. We Are Constantly Stumbling On New Surprises

In Exchange For Freedom Of Inquiry, Scientists Are Obliged To Explain Their Work.

After The Earth Dies, Some 5 Billion Years From Now, After It's Burned To A Crisp, Or Even Swallowed By The Sun, There Will Be Other Worlds And Stars And Galaxies Coming Into Being - And They Will Know Nothing Of A Place Once Called Earth.

Imagine We Could Accelerate Continuously At 1 G-what We're Comfortable With On Good Old Terra Firma-to The Midpoint Of Our Voyage, And Decelerate Continuously At 1 G Until We Arrive At Our Destination. It Would Take A Day To Get To Mars, A Week And A Half To Pluto, A Year To The Oort Cloud, And A Few Years To The Nearest Stars.