"It is impossible..."

Dog stays by dead friend

http://www.examiner.com/article/dog-who-protected-her-dead-companion-goes-home-to-owners-today-los-angeles

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"It's impossible to be loyal to your family, your friends, your country, and your principles, all at the same time."  Mignon McLaughlin, journalist and author (1913-1983) 

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"Man goes homeless to protect dog"
http://stubbydog.org/2012/01/man-goes-homeless-to-protect-dog/