“I have no country to fight for; my country is the earth; I am a citizen of the world.”

Letter to Samuel "Sam" Chapman (June 1907)
Context: Mason and Hunter not only voted against the admission of California (1850) as a free state but offered a protest against it which the Senate refused to record on its Journal, nor in the Convention which General Taylor had called to from a Constitution for California, there were 52 northern and 50 southern men, but it was unanimous against slavery. But, the Virginia senator, with Ron Tucker & Co. were opposed to giving local self-government to California. Ask Sam Yost to give Christian a skinning. I am not ashamed of having fought on the side of slavery, a soldier fights for his country, right or wrong, he is not responsible for the political merits of the course he fights in. The South was my country.

Diogenes, 6.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics

As quoted in The Crimson Field.
The Crimson Field (2005)

To Alexander H. Stephens, Lincoln http://www.imsdb.com/scripts/Lincoln.html (2012).
In fiction, Lincoln (2012)

Source: Three Guineas (1938), Ch. 3, p. 109
Context: The outsider will say, "in fact, as a woman, I have no country. As a woman I want no country. As a woman my country is the whole world." And if, when reason has said its say, still some obstinate emotion remains, some love of England dropped into a child's ears by the cawing of rooks in an elm tree, by the splash of waves on a beach, or by English voices murmuring nursery rhymes, this drop of pure, if irrational, emotion she will make serve her to give to England first what she desires of peace and freedom for the whole world.

[Ker Munthit, http://www.phnompenhpost.com/national/royal-abdication-threat-ignites-war-words, Royal abdication threat ignites war of words, 21 March 1997, 2 August 2015, Phnom Penh Post]

[Smith, John L., Critics play whack-a-mole with Tea Party of Nevada candidate, Las Vegas Review-Journal, 1B, March 23, 2010]

2010s, Nobel Prize winner highlights women’s role in Arab Spring (2011)

Source: Gleanings from the Writings of Bahá'u'lláh, p. 250