There is nothing so useless as doing efficiently that which should not be done at all.

Schools will change more in the next 30 years than they have since the invention of the printed book.

Whenever you see a successful business, someone once made a courageous decision.

The better a man is, the more mistakes he will make, for the more new things he will try. I would never promote to a top-level job a man who was not making mistakes...otherwise he is sure to be mediocre.

To arrive at the definition of the problem he must begin by finding the 'critical factor'. This is the element (or elements) in the situation that has to be changed before anything else can be changed, moved, acted upon.

The most important contribution management needs to make in the 21st century is ... to increase the productivity of knowledge work and the knowledge worker

You cannot predict the future, but you can create it.