Wizard of Oz:

Why, anybody can have a brain.
That’s a very mediocre commodity.
Every pusillanimous creature
that crawls on the Earth or
slinks through slimy seas
has a brain.

Back where I come from, we have universities, seats of great learning, where men go to become great thinkers.
And when they come out, they think deep thoughts and with no more brains than you have.
But they have one thing you haven’t got:
a diploma.