The Progress of the Race 
species. And indeed, to discover the 
unconquerable duty of a being is less 
difficult than one imagines. It is ever 
to be read in the distinguishing organs, 
whereto the others are all subordinate. 
And just as it is written in the tongue, 
the stomach, and mouth of the bee that 
it must make honey, so is it written in 
our eyes, our ears, our nerves, our mar- 
row, in every lobe of our head, that we 
must make cerebral substance ; nor is there 
need that we should divine the purpose 
this substance shall serve. The bees know 
not whether they will eat the honey they 
harvest, as we know not who it is shall 
reap the profit of the cerebral substance we 
shall have formed, or of the intelligent fluid. 
that issues therefrom and spreads over the 
universe, perishing when our life ceases 
or persisting after our death. As they 
go from flower to flower collecting more 
honey than themselves and their offspring 
421 
