“Five-twelfths of an inch is the ideal head...” – Dara Ó Briain, QI ... TV Quotes Database

[explaining how to pour Guinness correctly] Five-twelfths of an inch is the ideal head around the top, and if somebody paints a shamrock into it, you're allowed to stab them in the eye with a fork.

More from this episode

All quotes from this episode →

Gideon“Norman Maclean wrote, "It is those we live...” Morgan“I heard he was forced into early retirement.” Reid“What do you think of Ryan?” Max Ryan“Thought you were going to present the profile?”

More QI quotes · These quotes come from Wikiquote's QI pages and are available under the Creative Commons Attribution-ShareAlike License.

Dara &#211; Briain in “Unfinished Business”

More from this episode

Dara Ó Briain in “Unfinished Business”