“There is, in fact, neither red, green nor yellow magic. There is "doing." Only "doing" is magic." Properly to realise the scale of what Gurdjieff meant by magic, one has to remember his continually repeated aphorism, "Only he who can be can do," and its corollary that, lacking this fundamental verb, nothing is "done," things simply "happen."”
"Gurdjieff" in Man, Myth and Magic : Encyclopedia of the Supernatural (1970) http://www.gurdjieff.org/travers1.htm
Context: It is clear from Gurdjieff's writings that hypnotism, mesmerism and various arcane methods of expanding consciousness must have played a large part in the studies of the Seekers of Truth. None of these processes, however, is to be thought of as having any bearing on what is called Black Magic, which, according to Gurdjieff, "has always one definite characteristic. It is the tendency to use people for some, even the best of aims, without their knowledge and understanding, either by producing in them faith and infatuation or by acting upon them through fear. There is, in fact, neither red, green nor yellow magic. There is "doing." Only "doing" is magic." Properly to realise the scale of what Gurdjieff meant by magic, one has to remember his continually repeated aphorism, "Only he who can be can do," and its corollary that, lacking this fundamental verb, nothing is "done," things simply "happen."
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P. L. Travers 57
Australian-British novelist, actress and journalist 1899–1996Related quotes

“Whatever you do or dream you can do—begin it. Boldness has genius and power and magic in it.”
Source: Deep Blue

Attributed to Goethe by popular British novelist Marie Corelli in her essay "The Spirit of Work" as published in The Queen's Christmas carol : an anthology of poems, stories, essays, drawings and music / by British authors, artists and composers in 1905 by The Daily Mail of London.
Attributed to Goethe by William Hutchinson Murray, in his book The Scottish Himalayan Expedition (1951), this has been shown to be a misattribution at "German Myth 12: The Famous 'Goethe' Quotation", Answer.com http://german.about.com/library/blgermyth12.htm and "Popular Quotes: Commitment", Goethe Society of North America http://www.goethesociety.org/pages/quotescom.html
Misattributed
Variant: Whatever you can do, or dream you can, begin it. Boldness has genius, power, and magic in it. Begin it now.

Source: Oh, The Places You’ll Go!