I'd say that [Louis] Brandeis practiced a kind of a "living originalism," to use the title of Jack Balkin's great book. He said you start with the paradigm case, which in the case of the Fourth Amendment was these general warrants or writs of assistance, but you define it at a level of abstraction that you can take it into our age and make it our own.

[Louis Brandeis] believes in natural rights of speech and liberty and the right to pursue happiness.

For [Louis] Brandeis, it's not a technical question of channeling what would James Madison say. It's how do we take these inherent human natural rights of liberty and translate them into an age of new technolog

He's [Louis Brandais] so suspicious of bigness in government as well as business that he mistrusts even really top-down reforms at the state level. The most inspiring part of his legacy to me is his belief in the imperative and duty of self-education on behalf of citizens.

[Louis] Brandeis improves the prose. He simplifies it and perfects the balance of the sentence so it becomes even more memorable and aphoristic.

I think [Louis] Brandeis challenges all of the current justices. As he said, "If we would guide by the light of reason, we must let our minds be bold." You have to take the values that the framers were concerned about and translate them into this new age.

I think he's [Louis Brandeis] a great model for progressive justices today who want to answer the originalists. It's not that the original paradigm cases are irrelevant, but you have to focus on the values the framers were trying to protect, not on the means with which those values were invaded in the 18th century.