89

1908 Nov 19
Logic
I.i. 8

dition to attach this and that individual problem; and
if there be a if these belong to a class of problems out of which single problems come
within the range of facilities of members of a social group, so that
they will be com with competence examine his work upon the problems
he attacks, and pronounce their approval of it, then, and not otherwise he is what scientific men usually
mean when they speak of a person as a scientific man. The pioneer
of an entirely new line of inquiry cannot be pronounced a
scientific man, except by those who afterward follow in
his footsteps; and they will commonly detect grave errors in his procedure,
or at any rate, will think they do. But in most cases, a
quite new road through dark thick jungle of ignorance does not get broken
at all until science reaches a stage in its development at which several
men make the epochal discovery at once. That the best instructed of