Source: Perspective on the nature of geography (1958), p. 20
“With the sedentarisation of people they began to form an idea of the area that they lived in, its extension and its boundaries, which were mostly determined by nature and the feature of the landscape. Clans and tribes that had settled in a certain area and lived there for a long period of time.”
The Political Thought of Abdullah Ocalan (2017), Democratic Confederalism
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Abdullah Öcalan 25
Founder of the PKK 1949Related quotes

From an early draft of the Wilderness Act (S. 1176, submitted to the Senate 11 February 1957, as reprinted in The Living Wilderness volume 21, number 59, Winter-Spring 1956-57, p. 26-36)

The Wilderness Act http://www.wilderness.net/nwps/legisact (Public Law 88-577; 16 USC 1131-1136; approved 3 September 1964)

Interview on CBS News Sunday Morning (30 November 2006)
Context: Here's a chance, I think, for us to kind of remind ourselves, of those things we all commonly enjoy and love and share, try to get back together. You know, singing out for a more peaceful world today, I think, can only do good. … I do believe that … a lot of Muslims have yet to learn, you know, the incredible great history and contribution of Islamic civilization — and its become very, if you like, in some way puritanical — that puritanical approach will become narrower and narrower and even become more fragmented. Its that vast middle ground where people actually live, you know, that we have to reclaim; and in that area, everybody should be able to live together. And I don't think that God sent us prophets and books to fight about these books and these prophets. But they were telling us, actually, how to live together. If we ignore those teachings — whichever faith you belong, you profess, then I think we'll be finding ourselves in an even deeper mess.

Report of the Independent Expert on the promotion of a democratic and equitable international order on the right of self determination http://www.ohchr.org/EN/Issues/IntOrder/Pages/Reports.aspx.
2015, Report submitted to the UN General Assembly

Source: Better-World Philosophy: A Sociological Synthesis (1899), Egoism and Altruism, pp. 120–121

Kurt Lewin (1943) "Psychological ecology". In: D. Cartwright (Ed.) Field Theory in Social Science. London: Social Science Paperbacks. As cited in: Bernard Burnes (2004) " Kurt Lewin and the Planned Approach to Change: A Re-appraisal https://blackboard.le.ac.uk/bbcswebdav/institution/College%20of%20Social%20Science/School%20of%20Management/DL%20Materials/MBA/2.%20Organizational%20Behaviour/Section%208/Burnes.pdf" in: Journal of Management Studies. Vol 41. Nr 6. p. 977-1002.
1940s
The Rigveda: A Historical Analysis (2000), Chapter 8 : Misinterpretations of Rigvedic History

Quote from Klee's lecture 'On Modern Art', Kunstverein, Jena (26 January 1924), trans. Paul Findlay in Paul Klee: On Modern Art (London, 1948)
1921 - 1930