<http://schema.org/description>
"When my son was young, he thought the idiom was \"You CAN teach an old dog new tricks!\" How optimistic, sweet and naive... especially as his \"old dog\" mom..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/mathy-wasserman/you-can-teach-an-old-dog-a-new-trick_b_7149768.html>