John Bartlett (18201905). Familiar Quotations, 10th ed. 1919.
Page 195
conscience of him that is Chancellor, and as that is larger or narrower, so is Equity. T is all one as if they should make the standard for the measure we call a foot a Chancellors foot; what an uncertain measure would this be! One Chancellor has a long foot, another a short foot, a third an indifferent foot. T is the same thing in the Chancellors conscience.
Ignorance of the law excuses no man; not that all men know the law, but because t is an excuse every man will plead, and no man can tell how to refute him.