Not easy to identify the very most changing, but some things along the way can be pointed to. "Be excellent to each other!" could be really good for everybody.

Not easy to identify the very most changing, but some things along the way can be pointed to. "Be excellent to each other!" could be really good for everybody. "Pray toward heaven but row toward shore." is more applicable to the sailor out of fuel, or even worse in his lifeboat after being shipwrecked.