Preface to the First Edition, p. 23
The Evolution of Civilizations (1961) (Second Edition 1979)
“Analytical tools have their limitations in a turbulent world. These tools work best when parameters are known, assumptions are minimal, and the future is not fuzzy.”
Introduction to the 2002 edition, p. 12
The Heart of Change, (2002)
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John P. Kotter 26
author of The heart of Change 1947Related quotes

“People need new tools to work with rather than new tools that work for them.”
Tools for Conviviality (1973), p. 10

p10, 3rd principle of the 12 Principles of EPIC
I, Governor of California and How I Ended Poverty (1933)
“When the ground is soft
It may be worked with any kind of tool.”
Le Pellegrine, Act III., Scene VIL.
Translation reported in Harbottle's Dictionary of quotations French and Italian (1904), p. 366.

“Men have become the tools of their tools.”

Source: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 224