“To anger a conservative, lie to him. To anger a liberal, tell him the truth.”
First attributed to Roosevelt on the internet in recent years, there is no evidence he ever said this, as noted in "Teddy Roosevelt on Conservatives vs. Liberals", by Dan Evon at snopes.com (3 June 2016) http://www.snopes.com/teddy-roosevelt-anger-a-liberal-quote and at Teddy Roosevelt once said, “To anger a conservative, lie to him. To anger a liberal, tell him the truth.” (14 June 2016) https://www.truthorfiction.com/teddy-roosevelt-anger-conservative-lie-quote
Misattributed
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Theodore Roosevelt 445
American politician, 26th president of the United States 1858–1919Related quotes

“Denmark nursed that anger and it kept him free.”
Source: The Tales of Alvin Maker, Heartfire (1998), Chapter 10.

NewIndianExpress, NewIndianExpress http://www.newindianexpress.com/elections/karnataka-polls-2018/2018/may/10/prime-minister-narendra-modi-sees-threat-in-me-says-rahul-gandhi-1812856.html
2018

Young India (15 September 1920), reprinted in Collected Works of Mahatma Gandhi, Vol. 21 (electronic edition), p. 252.
1920s

Narrator, p. 186
Sharpe (Novel Series), Sharpe's Honor (1985)