Just as relevant now as ever. This part strikes me particularly:

> Sometimes a law is just on its face and unjust in its application. For instance, I have been arrested on a charge of parading without a permit. Now, there is nothing wrong in having an ordinance which requires a permit for a parade. But such an ordinance becomes unjust when it is used to maintain segregation and to deny citizens the First-Amendment privilege of peaceful assembly and protest.

I think that one of the great failures of our society and our government has been our willingness to allow large gaps to form between a law and its application. We constantly hear about laws that are "on the books but not enforced". We constantly pass laws to remedy perceived ills, but we don't fund or even specify enforcement mechanisms (or we make such mechanisms ineffective), so the laws just add to the pile of unpaid promissory notes that King refers to in another famous passage. (Ironically the civil rights legislation that King fought for is an example of this.)

I also wonder what King would say if we could ask him today about what he says here. In the situation he describes, is it really the ordinance itself that becomes unjust, or can it be that the ordinance itself remains just while it is the enforcement process itself that is unjust?

We seem too content to allow decisions about the provisions of a law to be separated from decisions about how those provisions are implemented; we allow innumerable people (e.g., police officers) discretion to make their own decisions about what the law means. This leaves space for those people to interpose their own personal biases and beliefs between the law and its operation. I think we need to fix that.