Quotes in knowledge

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

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

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.

Quality, productivity, and innovation can be significantly increased if companies provide all employees with practical tools for exploiting potential information.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

You can learn a lot about ice and still not understand water.

Far better an approximate answer to the right question, than the exact answer to the wrong question, which can always be made precise.

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

We cannot wish for that we know not.

I was born not knowing and have had only a little time to change that here and there.