Brilliant men are often strikingly ineffectual. They fail to realize that the brilliant insight is not by itself achievement. They never have learned that insights become effectiveness only through hard systematic work.
Peter DruckerA man should never be appointed into a managerial position if his vision focuses on people's weaknesses rather than on their strengths.
Peter DruckerI have been saying for many years that we are using the word 'guru' only because 'charlatan' is too long to fit into a headline.
Peter Drucker