"All part of the newly secure environment as envisioned in the Homeland Security acts. That these people had chosen a Nazi title for their enterprise was presumably more a tribute to their ignorance and stupidity than to any evil intent. Nevertheless it was not reassuring."

"Reason cannot pierce the armor of a stubborn ignoramus."

http://lifehacker.com/when-to-stop-trying-to-win-an-argument-1797876592

"I’ve been around long enough to know how ignorant I am."

"Ignorance is a failure to think deeply. It is a failure to be inquisitive. It is a failure to keep an open mind."

"Against logic there is no armor like ignorance."

"A little learning is a dangerous thing, but a lot of ignorance is just as bad."

"Why waste time learning when ignorance is instantaneous?"