"If you can't measure it, you can't..." - Quote by Peter Drucker
If you can't measure it, you can't change it.
More by Peter Drucker
“In the political, the social, the economic, even the cultural sphere, the revolutions of our time have been revolutions "against" rather than revolutions "for"... On the whole throughout this period the man--or party--that stood for doing the positive has usually cut a pathetic figure; well meaning but ineffectual, civilized but unrealistic, he was suspect alike to [by both] the ultras of destruction and the ultras of preservation and restoration.”
“All economic activity is by definition "high risk." And defending yesterday--that is, not innovating--is far more risky than making tomorrow.”
“What people in business think they know about the customer and market is likely to be more wrong than right...the customer rarely buys what the business thinks it sells him.”
More on Measurement
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“Apart from their other characteristics, the outstanding thing about China's 600 million people is that they are “poor and blank”. This may seem a bad thing, but in reality it is a good thing. Poverty gives rise to the desire for changes, the desire for action and the desire for revolution. On a blank sheet of paper free from any mark, the freshest and most beautiful characters can be written; the freshest and most beautiful pictures can be painted.”
“It would be foolish to despise tradition. But with our growing self-consciousness and increasing intelligence we must begin to control tradition and assume a critical attitude toward it, if human relations are ever to change for the better.”
“Then hope unlooked-for came so suddenly to Eomer's heart, and with it the bite of care and fear renewed, that he said no more, but turned and went swiftly from the hall.”