“Without “big data”, you are blind and deaf and in the middle of a freeway.”
Geoffrey Moore, title of book chapter in: The Business Book, 2014. Dorling Kindersley Ltd, p. 316
Help us to complete the source, original and additional information
Geoffrey Moore 9
American business writer 1946Related quotes

“A good marriage would be between a blind wife and a deaf husband.”
Book III, Ch. 5
Attributed

“Kindness is the language which the deaf can hear and the blind can see.”
Unsourced in The Philosophy of Mark Twain: The Wit and Wisdom of a Literary Genius (2014) by David Graham
Disputed

“Blindness separates people from things;
deafness separates people from people.”

“Like the majority of deaf people, I don't like blind people much.”
Mon Dernier soupir (My Last Sigh, 1983)

Letter to Dr. James Kerr Love (1910), published in Helen Keller in Scotland: a personal record written by herself (1933), edited by James Kerr Love. Paraphrasing of this statement may have been the origin of a similar one which has become attributed to her:
Context: The problems of deafness are deeper and more complex, if not more important, than those of blindness. Deafness is a much worse misfortune. For it means the loss of the most vital stimulus — the sound of the voice that brings language, sets thoughts astir and keeps us in the intellectual company of man.

“Who is so deafe or so blinde as is hee
That wilfully will neither heare nor see?”
Part II, chapter 9.
Proverbs (1546), Bartlett's Familiar Quotations, 10th ed. (1919)

About the human dependency on language to communicate, as quoted in The Washington Post (18 June 2011)
Source: The Teachings of Don Juan: A Yaqui Way of Knowledge