Management, business, leadership and investing quotes and many other famous quotes

In a system the best way to treat a problem is seldom where the problem appears, because of the interactions of the parts.
Since all models are wrong the scientist must be alert to what is importantly wrong. It is inappropriate to be concerned about mice when there are tigers abroad.
The best executive is the one who has sense enough to pick good men to do what he wants done, and self-restraint to keep from meddling with them while they do it.