“We also know that populism can take dangerous turns -– from the extremism of those who would use democracy to deny minority rights, to the nationalism that left so many scars on this continent in the 20th century.”
2011, Remarks by the President to Parliament in London, United Kingdom (May 2011)
Help us to complete the source, original and additional information
Barack Obama 1158
44th President of the United States of America 1961Related quotes

“Extremism of the right or the left is dangerous.”
A Visit With Irene Dunne (1977)

Ahora tenemos un peronismo que es todo: es la extrema derecha, es el centro, es el centro izquierda, es la extrema izquierda, es la democracia y es el terrorismo, es la demagogia y es la insensatez... Todo es el peronismo...
Mario Vargas Llosa compara al peronismo con los nazis y lo culpa de destruir Argentina http://www.lanacion.com.ar/1474566-mario-vargas-llosa-compara-al-peronismo-con-los-nazis-y-lo-culpa-de-destruir-argentina

Foreign policy
Source: Remarks to students and educators in Qom (13 March 1979)

p. 53. https://archive.org/stream/memoriesbyadmira00fishuoft#page/53/mode/1up
Memories (1919) https://archive.org/stream/memoriesbyadmira00fishuoft#page/n0/mode/2up

As quoted by Nadezhda Popova, Reza Pahalavi, Son Of The Last Shah Of Iran: “No War Is Needed – We Will Topple This Regime Ourselves” http://www.rezapahlavi.org/details_article.php?article=22&page=6, Izvetsiya, May 29, 2006.
Interviews, 2006

Jul 29 1982 https://www.youtube.com/watch?v=QHk9zoG6PXw

Speech https://cain.ulster.ac.uk/issues/politics/docs/dup/pr290312.htm to the Ulster Unionist Council in Belfast (4 February 1921), quoted in Geoffrey Lewis, Carson: The Man Who Divided Ireland (2006), pp. 227–28

As attributed without citation in Awake! magazine (anonymous), January 2015 http://www.jw.org/en/publications/magazines/g201501/watching-the-world-religion/
2010s