more honored in the breach

Etymology
in "Hamlet," act 1, scene 4:
 * But to my mind, though I am native here
 * And to the manner born, it is a custom
 * More honored in the breach than the observance.

Phrase

 * 1) Justifiably violated; endowing greater moral standing to those who disobey.
 * 2) Frequently or usually broken in practice, with obedience being the exception.