There is nothing so useless as doing efficiently that which should not be done at all. – Peter Drucker
Trying to predict the future is like trying to drive down a country road at night with no lights while looking out the back window. – Peter Drucker
Quality in a product or service is not what the supplier puts in. It is what the customer gets out and is willing to pay for. A product is not quality because it is hard to make and costs a lot of money, as manufacturers typically believe. – Peter Drucker
Knowledge has to be improved, challenged, and increased constantly, or it vanishes. – Peter Drucker