“If you think you can you can, if you think you can't you're right!”
“If you think you can, you can. If you think you can't, you're right.”
Variant: If you think you can, you can. And if you think you can not, you are right.
Help us to complete the source, original and additional information
Mary Kay Ash 12
Entrepreneur 1918–2001Related quotes
“Whether you think you can, or you think you can't — you're right.”
"On Monsieur Coué", Epigram in The Week-end Book (1928), p. 217.
Source: Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen
Can't Not
Supposed Former Infatuation Junkie (1998)