
“You can lead a horse to Harvard but you can’t make him think.”
Ron English's Fauxlosophy (2016)
Parker's answer when asked to use the word horticulture during a game of Can-You-Give-Me-A-Sentence?, as quoted in You Might as well Live by John Keats (1970).
Source: You Might as Well Live: The Life and Times of Dorothy Parker
“You can lead a horse to Harvard but you can’t make him think.”
Ron English's Fauxlosophy (2016)
“If Hillary Clinton can't satisfy her husband, what makes her think she can satisfy America?”
Donald Trump on Twitter, he later deleted the tweet. http://www.ibtimes.co.uk/donald-trump-deletes-offensive-tweet-saying-hillary-clinton-cant-satisfy-her-husband-1497525 (16 April 2015)
2010s, 2015
“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.
"On Monsieur Coué", Epigram in The Week-end Book (1928), p. 217.
“Whether you think you can, or you think you can't — you're right.”
"Sometimes You Can't Make It On Your Own"
Lyrics, How to Dismantle an Atomic Bomb (2004)
“You can't make me think like you, mundane.”
Lyrics, S.C.I.E.N.C.E. (1997)