Kenneth Boulding (1986) "Proceedings of the 7th Friends Association for Higher Education Conference, Malone College, 1986" p. 4, quoted in Debora Hammond, The Science of Synthesis, Colorado: University of Colorado Press, 2003.
1980s
“And that impulse to make the world better, to push back on those who try to make it worse, that’s something that your generation has to hold on to. And you have to remember, it’s never easy; there are no days off. But if there’s one thing that I know from my own life, it’s that with hard work and with hope, change is always within our reach.”
2015, Town Hall meeting with Young Leaders of the Americas (April 2015)
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Barack Obama 1158
44th President of the United States of America 1961Related quotes

"Stay"
Hormonally Yours (1992)

“The people who were trying to make this world worse are not taking the day off. Why should I?”
Response, after being asked why he went ahead and performed in the concert "Smile Jamaica", two days after he, his wife and manager were wounded inside his home after an assault by unknown gunmen, thought to be politically motivated (5 December 1976), as quoted in Bob Marley The Father of Music (2010) by Jean-Pierre Hombasch, p. 5
Variant: The people that are trying to make the world worse never take a day off, why should I?

Bella Swan and Carlisle Cullen, p. 35
Twilight series, New Moon (2006)

Attributed in The Rebirth of a Nation : With a Bill of Rights for America's Third Century (1978) by Robert S. Minor, p. 10; this is a paraphrase of a statement by his father John Adams in a letter to his mother Abigail Adams (27 April 1777): "Posterity! you will never know how much it cost the present generation to preserve your freedom! I hope you will make a good use of it. If you do not, I shall repent in Heaven that I ever took half the pains to preserve it".
Misattributed
Face to Face with Reese Witherspoon http://www.rd.com/content/openContent.do?contentId=18040&pageIndex=3, Readers Digest (September 2005).

http://www.wowowow.com/entertainment/liz-smith-living-legend-madonna-398128?page=0%2C0

Eric Chu (2015) cited in " Chu meets AIT's Kin; mum on US trip http://www.chinapost.com.tw/taiwan/national/presidential-election/2015/10/21/448879/Chu-meets.htm" on The China Post, 21 October 2015.