Peter Drucker Quotes
A person can perform only from strength. One cannot build performance on weakness, let alone on something one cannot do at all.
Citations
Drucker, Peter F. "Managing Oneself." Harvard Business Review, vol. 77, no. 2, Mar.-Apr. 1999, p. 66.
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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".