Huh?

Be what you would seem to be - or, if you'd like it put more simply - never imagine yourself not to be otherwise than what it might appear to others that what you were or might have been was not otherwise than what you had been would have appeared to them to be otherwise.--Lewis Carroll

Got this off another blog. I have read it four times and I am still not entirely sure I understand it. But I like being confused by famous authors.