Sentence:  It requires but a very small glance of thought to perceive, that altho' laws made in one generation often continue in force through succeeding generations, yet that they continue to derive their force from the consent of the living. A law not <WSD>repealed</WSD> continues in force, not because it cannot be <WSD>repealed</WSD>, but because it is not <WSD>repealed</WSD>; and the non-<WSD>repealing</WSD> passes for consent. 
Meaning of the word marked with <WSD> tags:  To cancel, invalidate, annul.