[rlmorel]

"...The most difficult subjects can be explained to the most slow-witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he already knows, without a shadow of a doubt, what is laid before him..."

I sure wish I could use that for a tagline...

[samtheman]

If that could fit on a tagline, I would use it too.

There’s another great quotation, something similar, that talks about how facts can’t change opinions because opinions aren’t usually born from facts, something like that.