Werner Heisenberg Plain Language Quotations

Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached.

The physicist may be satisfied when he has the mathematical scheme and knows how to use for the interpretation of the experiments. But he has to speak about his results also to non-physicists who will not be satisfied unless some explanation is given in plain language. Even for the physicist the description in plain language will be the criterion of the degree of understanding that has been reached. Physics and Philosophy

An expert is someone who knows some of the worst mistakes that can be made in his subject and how to avoid them.