The quote is generally attributed to Woody Allen.
The closest attributable quote is "Showing up is eighty percent of life" which appeared in the New York Times on August 21, 1977, and was attributed to Woody Allen (see Related Links, and thanks to Fred Shapiro for the detective work on this).
A quick web search shows many ways the quote has been changed over the years, including changing:
So a common version now is "90% of success is just showing up."
The line has been attributed to Annie Hall, but this appears to be incorrect.
Who said "Showing up is the most important thing in the world?" Thought t was George Burns, late comedian who lived to be 100 - but who knows? :")
he said 80%
the battle of bunkerhill was important because while the Americans lost the battle, they stood up against the british troops showing that they are not easy to defeat
Napoleon is said to have carried chocolate with him when he went to battle. He is said to have used the chocolate as a quick pick me up.
That quote is attributed to Woody Allen.
17 and a half, the one with the half was chopped up with a chainsaw!
Yes. It begins showing up at two weeks into the pregnancy.
It opened up in USA in July and I'm not sure about the UK.
The victor of the battle was inconclusive and Ulysses kept up his offensive, though. in other words it was a draw and the said the CSA won but then they said the Union had a strategic victory
It is showing everywhere :)