Open-mindedness: Part 1

I've been thinking about writing a blog post or two on open-mindedness for the past few months. I came across a great quote today that has spurred me on to begin formulating my thoughts. I'll just post the quote for now as a prologue and let you mull it over.

"When people are least sure they are often most dogmatic."

From The Great Crash: 1929 by the legendary Harvard economist John Kenneth Galbraith.