My most favourite quotation is this from Sir Humphrey, in Yes, Minister, written by Anthony Jay and Jonathan Lynn, and accorded to Francis Bacon, though I think the authors coined it.

Here are some others...
"...nobody likes capers no matter what you do with them. Some people pretend to like capers, but the truth is that any dish that tastes good with capers in it, tastes even better with capers not in it."
Nora Ephron, Heartburn, 1983

Personally, I love capers
"I think there is a world market for maybe five computers."
Thomas Watson, Chairman of IBM, 1943

"There is no reason anyone would want
a computer in their home."
Ken Olson, president, chairman and founder
of Digital Equipment Corp, 1977

How wrong both were.
"Alcohol – it takes away the pain."
Alan Bacore 2011