Professor SCANTLEBURY: They steal your food and they nick things out the fridge, but then you tolerate them because you think, well, at least teenagers eventually are gonna be my means of pushing my genes to future generations.

NPR: Mole-Rats, Ants Making Science Headlines

And you may be looking toward the future with that same sense of concern that my generation did when we were sitting where you are now.

WHITEHOUSE: President Obama Speaks at Barnard College Commencement Ceremony | The White House