The promise was that when the glass was full, it would overflow, benefiting the poor. But what happens instead, is that when the glass is full, it magically gets bigger: nothing ever comes out for the poor.
Francis I (b. 1936) Argentinian Catholic Pope (2013- ) [b. Jorge Mario Bergoglio]
In “Pope Francis: I’m Not a Marxist,” TIME (15 Dec 2013)
(Source)
On the "trickle-down" theory.