Henry David Thoreau (1817–1862) 1817-1862 American poet, essayist, naturalist, and abolitionist
According to The Quote Investigator http://quoteinvestigator.com/2014/04/17/butterfly/, "the earliest instance of this saying was crafted by the enigmatic “L” for “The Daily Crescent” newspaper in New Orleans [in June 1848]. ... The linkage to Henry David Thoreau is unsupported." <br class="br">Misattributed
Nathaniel Hawthorne (1804–1864) American novelist and short story writer (1804 – 1879)
"The Artist of the Beautiful" (1844)
“I feel happy — deep down. May you be happy too.”
Katherine Mansfield (1888–1923) New Zealand author
Journal entry (14 October 1922), published in The Journal of Katherine Mansfield (1927); these are the final words of the journal
Context: This all sounds very strenuous and serious. But now that I have wrestled with it, it's no longer so. I feel happy — deep down. May you be happy too. I'm going to Fontainebleau on Monday and I'll be back here Tuesday night or Wednesday morning. All is well.
Winston S. Churchill (1874–1965) Prime Minister of the United Kingdom
Variant: Mr.Churchill, to what do you attribute your success in life? Conservation of energy. Never stand up when you can sit down. And never sit down when you can lie down.
