Peter Drucker Quotes
Whenever anything is being accomplished, it is being done, I have learned, by a monomaniac with a mission.
Citations
Drucker, Peter F. Adventures of a Bystander. Harper & Row, 1979, p. 254.
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Peter Ferdinand Drucker was an Austrian management consultant, educator, and author, whose writings contributed to the philosophical and practical foundations of the modern business corporation. He was also a leader in the development of management education, he invented the concept known as management by objectives and self-control, and he has been described as "the founder of modern management".