From the "Change is Hard" category.....

"......all of the knowledge and technological advances in the world are never enough to change behavior."

-Ben Carlson, as culled from this "it's always and never different" post. that leads off this way:

"I'm fascinated with financial market history because learning about prior cycles gives you a sense about how some things never change while others are in a constant state of flux. It’s both always and never different this time."