Billions And Billions.

Science Is A Way To Not Fool Ourselves.

The Simplest Thought, Like The Concept Of The Number One, Has An Elaborate Logical Underpinning.

[science] Is Not Perfect. It Can Be Misused. It Is Only A Tool. But It Is By Far The Best Tool We Have, Self-correcting, Ongoing, Applicable To Everything. It Has Two Rules. First: There Are No Sacred Truths; All Assumptions Must Be Critically Examined; Arguments From Authority Are Worthless. Second: Whatever Is Inconsistent With The Facts Must Be Discarded Or Revised. ... The Obvious Is Sometimes False; The Unexpected Is Sometimes True.

Extraordinary Claims Demand Extraordinary Evidence

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