Quotes in uncertainty

Remember that all models are wrong; the practical question is how wrong do they have to be to not be useful.

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 one can measure the loss of business that may arise from a defective item that goes out to a customer.

I cannot forecast to you the action of Russia. It is a riddle, wrapped in a mystery, inside an enigma; but perhaps there is a key. That key is Russian national interest.

A common disease that afflicts management and government administration the world over is the impression that “Our problems are different.” They are different, to be sure, but the principles that will help to improve quality of product and of service are universal in nature.

In these matters the only certainty is that nothing is certain.

Dividing one number by another is mere computation; figuring out what you should divide by what is mathematics.

Every time you write code or introduce third-party services, you are introducing the possibility of failure into your system.

To truth only a brief celebration of victory is allowed between the two long periods during which it is condemned as paradoxical, or disparaged as trivial.

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