“The first rule of holes: When you're in one stop digging.”
“If you're in a hole, don't dig, they say.”
The Mission Song (2006)
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John le Carré 42
British novelist and spy 1931Related quotes

http://www.guardian.co.uk/quiz/questions/0,,1943315,00.html
http://www.cnn.com/2002/WORLD/europe/09/24/schroeder.blair/index.html
http://web.archive.org/web/20030621143902/http://www.abc.net.au/rn/talks/bbing/stories/s865620.htm
2000s

“You cannot dig a hole in a different place by digging the same hole deeper.”
Source: Lateral Thinking : Creativity Step by Step (1970), p. 8.

“When you find yourself in a hole, quit digging.”
Variant: If you find yourself in a hole, the first thing to do is stop digging.

“I was good at digging holes. It was the rest of life I sucked at.”
Source: Twisted

“If you find yourself in a hole, the first thing to do is stop digging.”

“The most important thing to do if you find yourself in a hole is to stop digging.”