When technical people talk they always emphasize the facts [of which] they are not sure.


The Tree of Knowledge, Harper's Magazine, Volume 217, October 1958 (p. 57)


When technical people talk they always emphasize the facts [of which] they are not sure.

When technical people talk they always emphasize the facts [of which] they are not sure.

When technical people talk they always emphasize the facts [of which] they are not sure.

When technical people talk they always emphasize the facts [of which] they are not sure.