I know that two and two make four — and should be glad to prove it too if I could — though I must say if by any sort of process I could convert 2 and 2 into five it would give me much greater pleasure. – Lord (George Gordon) Byron
I would advise you Sir, to study algebra, if you are not already an adept in it: your head would be less muddy, and you will leave off tormenting your neighbors about paper and packthread, while we all live together in a world that is bursting with sin and sorrow. – Samuel Johnson