Here's a dialog from an episode (S02E01) of an awesome comedy series "Community" that I've been watching. Liked the scene a lot so sharing:
You can watch it here: https://www.youtube.com/watch?v=KRUZK01LffE
"It was a trick question.
The tool most important
to humanity's survival
wasn't any of the nine in the box.
The most important tool is respect.
And the reason I know respect is a tool
is because it is clearly
not a natural thing,
and we forget to use it all the time,
and then we start competing with each other
and exploiting each other
and humiliating each other and controlling each other.
And we lose each other.
And without each other, we'll go extinct."
About the series : A bunch of people from very different backgrounds, all conventionally losers in some way or another, are stuck in a bottom-of-the-heap community college and form a study group.