Oliver Wendell Holmes, Jr., Portuguese-American Bank of San Francisco v…
“ It is not illogical to say that the debt is as liable to sale as it is to the acquisition of a lien. To be sure, the lien is allowed by a statute subject to which the contract was made, but the contract was made subject also to the common law, and if the common law applies the principle recognized by the statute of California that a debt is to be regarded as a thing, and therefore subjects it to the ordinary rules in determining the relative rights of an assignee and the claimant of a lien, it does nothing of which the debtor can complain. ”
