An expert is a person who has made all the mistakes that can be made in a very narrow field.
- Niels Bohr
- An expert is a man who has made all the mistakes which can be made, in a narrow field. - Niels Bohr
- No, no, you’re not thinking; you’re just being logical. - Niels Bohr
- Prediction is very difficult, especially of the future. - Niels Bohr
- We’re all capable of mistakes, but I do not care to enlighten you on the mistakes we may or may not have made. - Dan Quayle
- An expert is a person who avoids small error as he sweeps on to the grand fallacy. - Benjamin Stolberg