The future is better dealt with using assumptions than forecasts.

The objective of education is learning, not teaching

Nothing is harder to topple than a fact that supports a deeply held prejudice denied by its holder.

In systems thinking, increases in understanding are believed to be obtainable by expanding the systems to be understood, not by reducing them to their elements. Understanding proceeds from the whole to its parts, not from the parts to the whole as knowledge does.

Unless people can express themselves well in ordinary English, they don't know what they are talking about.

Successful problem solving requires finding the right solution to the right problem. We fail more often because we solve the wrong problem than because we get the wrong solution to the right problem.

Most corporate mission statements are worthless. They consist largely of pious platitudes such as: "We will hold ourselves to the highest standards of professionalism and ethical behavior." They often formulate necessities as objectives; for example, "to achieve sufficient profit." This is like a person saying his mission is to breathe sufficiently.