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

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.
We need to work together to optimize the system as a whole, not to seek to optimize separate pieces... Optimizing separate pieces destroys the effectiveness of the whole. For the organization to work well as a whole, the components must work together.
There is a difference between having a vision and suffering from a hallucination.