SECT. II. PHYSIOLOGY. 21 
but it is better for the physiologist to remain in 
philosophic doubt, than to believe conclusions 
founded upon ambiguous or insufficient data, 
while others equally plain and definite may be 
advanced. In these times it is fashionable roundly 
to condemn generalization in science; but it is 
difficult to take an enlarged view of the pheno- 
mena of nature without rencountering mul- 
tifarious affinities in her operations, and to 
generalize from facts is as correct and demon- 
strative, as it is puerile and absurd to generalize 
from bare or syllogistical assertion. 
