Oliver Wendell Holmes, Jr., Equitable Life Assurance Society of the United States v…
“ These are policies of life insurance, and, according to the statement of the plaintiff in error, are kept alive and renewed to residents of Pennsylvania by payments from year to year. The fact that the state could not prevent the contracts, so far as that may be true, has little bearing upon its right to consider the benefit thus annually extended into Pennsylvania in measuring the value of the privileges that it does grant. We may add that the state profits the company equally by protecting the lives insured, wherever the premiums are paid. The tax is a tax upon a privilege actually used. ”
