“There are no good laws but such as repeal other laws.”
Statement (1835), as quoted in Andrew Johnson, Plebeian and Patriot (1928) by Robert Watson Winston.
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Andrew Johnson 25
American politician, 17th president of the United States (i… 1808–1875Related quotes

“The best way to get a bad law repealed is to enforce it.”
Attributed in A Dictionary of Thoughts (1908) by Tryon Edwards; this is earlier attributed to Theodore Roosevelt in Life of William McKinley (1901) by Samuel Fallows, and could be derived from the remarks of Ulysses S. Grant in his First Inaugural Address (4 March 1869): "I know no method to secure the repeal of bad or obnoxious laws so effective as their stringent execution".
Misattributed

“No government has yet been able to repeal natural laws, though they keep trying.”
Source: Farnham's Freehold (1964), Chapter 2 (p. 35)
1 St. Tr. (N. S.) 484.
Trial of Hunt and others (King v. Hunt) (1820)

1860s, First Inaugural Address (1869)
Context: Laws are to govern all alike — those opposed as well as those who favor them. I know no method to secure the repeal of bad or obnoxious laws so effective as their stringent execution.

“My business is that of every other good citizen - to uphold the law.”
Existencilism (2002)
Source: Wall and Piece