Science is the best idea humans have ever had. The more people who embrace that idea, the better.

Recommending or insisting on abstinence has been completely ineffective.

No matter what you may believe spiritually or otherwise, the Earth is clearly not 6,000 or 10,000 years old.

You stop planetary exploration, those people who do that extraordinary work are going to have to go do something else.

History is but the record of the public and official acts of human beings. It is our object, therefore, to humanize our history and deal with people past and present; people who ate and possibly drank; people who were born, flourished and died; not grave tragedians, posing perpetually for their photographs.

America has had many other discoverers besides Columbus, but he seems to have made more satisfactory arrangements with the historians than any of the others.

Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.