I never verified this...

Only the fool would take trouble to verify that this sentence was composed of ten a's, three b's, four c's, four d's, forty-six e's, sixteen f's, four g's, thirteen h's, fifteen i's, two k's, nine l's, four m's, twenty five n's, twenty four o's, five p's,sixteen r's, forty-one s's, thirty seven t's, ten u's, eight v's, eight w's, four x's, eleven y's, twenty seven commas, twenty three apostrophes, seven hyphens, and, last but not least, a single !

- Douglas R Hofstadter