I wish the meeting had been as good as the lunch.

-Christopher,Warren Minor
  On beginning talks in Beijing with China's Prime Minister. In the NewYork Times,13 Mar.

There is no such thing as a free lunch.

-Friedman, Milton
  Lecture. The phrase is thought to have been coined anonymously, perhaps referring to the19c US tradition of supplying food in bars to patrons buying drinks.

A naked lunch is natural to us, we eat reality sandwiches. But allegories are so much lettuce. Don't hide the madness.

-Ginsberg, Allen
  'On Burroughs'  Work'.

The free lunch has still to be invented.

-Greenspan, Alan
  On the US budget deficit, 6 May.

The Emperor Caligula 's Habits were somewhat irrigula. When he sat down to lunch He got drunk at onch.

-Longden, Robert Paton
Quoted and first published in  Arnold Silcock Verse and Worse (1952),'Potted Biography'.

My idea of long-range planning is lunch.

-Ogden, Frank also known as  'DrTomorrow'
  Ogdenisms: The Frank Ogden Quote Book.