Quotes in possibilities

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.

No community need be poor if it has people and good management. No country need be poor if it has people and good management.

In the beginner's mind there are many possibilities. In the expert's mind there are few.

When you can't have what you want, it's time to start wanting what you have.

Do I contradict myself?
Very well then I contradict myself,
(I am large, I contain multitudes.)

You cannot fly like an eagle with the wings of a wren.