But if one Subject giveth Counsell to another, to do anything contrary to the Lawes, whether that Counsell proceed from evil intention, or from ignorance onely, it is punishable by the Common-wealth; because igorance of the Law, is no good excuse, where every man is bound to take notice of the Lawes to which he is subject.
The Second Part, Chapter 25, p. 132. - Leviathan (1651)