"His mind is open; yes it is so open that nothing is restrained, ideas simply pass through him." - Francis H. Bradley

"Little things affect little minds." - Benjamin Disraeli

"People are always very open-minded about new things -- as long as they're exactly like the old ones." - Charles F Kettering

“Do not think of knocking out another’s brains because he differs in opinion from you. It would be as rational as knocking yourself on the head because you differ from yourself ten years ago.” – Horace Man