I really cannot know whether I am or am not the Genius you...

I really cannot know whether I am or am not the Genius you are pleased to call me, but I am very willing to put up with the mistake, if it be one. It is a title dearly enough bought by most men, to render it endurable, even when not quite clearly made out, which it never can be till the Posterity, whose decisions are merely dreams to ourselves, has sanctioned or denied it, while it can touch us no further.