“ No mans error becomes his own Law; nor obliges him to persist in it. ”
 Thomas Hobbes, Leviathan (1651). copy citation

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“But because there is no Judge Subordinate, nor Soveraign, but may erre in a Judgement of Equity; if afterward in another like case he find it more consonant to Equity to give a contrary Sentence, he is obliged to doe it. No mans error becomes his own Law; nor obliges him to persist in it. Neither (for the same reason) becomes it a Law to other Judges, though sworn to follow it. For though a wrong Sentence given by authority of the Soveraign, if he know and allow it, in such Lawes as are mutable, be a constitution of a new Law, in cases, in which every little circumstance is the same; yet in Lawes immutable, such as are the Lawes of Nature, they are no Lawes to the same, or other Judges, in the like cases for ever after.” source

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