The medical investigator must often fish in troubled waters; and sometimes he cannot find again the promising fishing ground he has once visited, because unexpected fog prevents him from seeing the intersecting bearings of his desired ground.


Address by President Charles W. Eliot, Science, N.S. Volume 24, Number 601, July 6, 1906 (p. 16)


The medical investigator must often fish in troubled waters; and sometimes he cannot find again the promising fishing ground he has once visited,...

The medical investigator must often fish in troubled waters; and sometimes he cannot find again the promising fishing ground he has once visited,...

The medical investigator must often fish in troubled waters; and sometimes he cannot find again the promising fishing ground he has once visited,...

The medical investigator must often fish in troubled waters; and sometimes he cannot find again the promising fishing ground he has once visited,...