Quotes from
An Inconvenient Truth

The original quote, with slang   What does it mean?

Al Gore: What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so.*

*originally from Mark Twain

Al Gore: What gets us into trouble is not what we don't know. Our problems happen when we are sure something is true, but it isn't.

George H.W. Bush: This guy is so far out in the environmental extreme, we'll be up to our neck in owls and outta work for every American.

George H.W. Bush: Al Gore is so extreme about environmental issues that if he is successful in making changes to laws, endangered animals like the spotted owl will overpopulate the country and no one will have a job anymore.