Closest I know is this [0] interview > Weiner: > Well, the work was done in your head but the record of it is still here. > Feynman: > No, it’s not a record

Closest I know is this [0] interview > Weiner: > Well, the work was done in your head but the record of it is still here. > Feynman: > No, it’s not a record, not really, it’s working. You have to work on paper and this is the paper. OK? [0] https://via.hypothes.is/https://www.aip.org/history-programs/niels-bohr-library/oral-histories/5020-5#annotations:VJkQwDSeEeqSYq_Uw7vQRA https://via.hypothes.is/https://www.aip.org/history-programs...