"Failure to learn is the only true failure"

Tom Poppendieck

"Only a goalie can appreciate what a goalie goes through."

Jacques Plante

"Ever tried?
Ever failed?
No matter.
Try Again.
Fail again.
Fail better"

Samuel Beckett

"It is better to be roughly right than precisely wrong"

John Maynard Keynes

"It is a capital mistake to theorize before one has data"

Sherlock Holmes, Scandal in Bohemia

"If you have a choice of two things and can't decide, take both"

Gregory Corso

"The indespensable first step to getting what you want is this: Decide what you want"

Ben Stein