You put together two people who have not been put together before; and sometimes the world is changed, sometimes not. They may crash and burn, or they may set off a spark that will light the world.
The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
In the end, survival is about the will to live. It's about the human spirit.