"Dat all right, sah," answered the black.  "Quite proper dat one gentleum should 'polergize to anoder.  I accep's your 'polergy, sah, mos' gratefully, and will say no more 'bout it.  But it not pleasant, sah, for to be called `black willain' after I hab take de trouble to do all dat"--waving his hand toward the table--"for de pleasure and satisfaction ob--"