The difference between a man of sense and a fop is that the fop values himself upon his dress; and the man of sense laughs at it, at the same time he knows he must not neglect it.Lord Chesterfield
The difference between an optimist and a pessimist? An optimist laughs to forget, but a pessimist forgets to laugh. Tom Bodett
When a man bleeds inwardly, it is a dangerous thing for himself; but when he laughs inwardly, it bodes no good to other people.Charles Dickens