For it is not true, as some treatise-mongers lay down in their systems, of the probity of the speaker, that it contributes nothing to persuasion; but moral character nearly, I may say, carries with it the most sovereign efficacy in making credible.
No matter how we may single out a complex from nature...its theoretical treatment will never prove to be ultimately conclusive... I believe that this process of deepening of theory has no limits.
O Blackbird! sing me something well: While all the neighbors shoot thee round, I keep smooth plats of fruitful ground, Where thou may'st warble, eat and dwell.