
"Unification of the fatherland is an act of supreme patriotism" (1970s), quoted in Kim Jong Il Handbook (2011) by International Business Publications USA
Written by copywriter Aimee Lehto for a series of Adidas ads in which this was superimposed over stills of various figures, including Muhammad Ali. Documented by Quote Investigator https://quoteinvestigator.com/2017/11/28/impossible-is/.
Misattributed
"Unification of the fatherland is an act of supreme patriotism" (1970s), quoted in Kim Jong Il Handbook (2011) by International Business Publications USA
Source: Leven Thumps and the Gateway to Foo
“There is nothing impossible to him who will try.”
On taking charge of an attack on a fortress, in Pushing to the Front, or, Success under Difficulties : A Book of Inspiration (1896) by Orison Swett Marden, p. 55
“The word impossible is not French.”
Le mot impossible n'est pas français.
Letter to General Jean Le Marois (9 July 1813), quoted in Famous Sayings and their Authors (1906) by Edward Latham, p. 138
Variant translation: You write to me that it is impossible; the word is not French.
Variant attribution: Impossible is a word to be found only in the dictionary of fools.
The letter says: "Ce n'est pas possible", m'ecrivez-vous: cela n'est pas français. Original Source http://books.google.es/books?id=TqvSAAAAMAAJ&pg=PA479&dq=correspondance+napoleon+Ier+9+juillet+1813&hl=es&ei=tT3ATqzaNImu8gP01dH9Aw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CC4Q6AEwAA#v=onepage&q&f=false
“Nothing is impossible, the word itself says: «I'm possible!»”
“To he who avenges a father, nothing is impossible.”
À qui venge son père, il n’est rien d’impossible.
Don Rodrigue, act II, scene ii.
Le Cid (1636)