Nevertheless, "[a] s Mr. Justice Holmes commented...[,] `a page of history is worth [a] volume of logic.'"

As Mr. Justice Holmes said (in a tax case), "Upon this point a page of history is worth a volume of logic".

"To comprehend the scope of Congress' power under the [IP clause], `a page of history is worth a volume of logic.'"Eldred, 537 US at 200

When it comes to discerning and applying those standards, in this area as others, "a page of history is worth a volume of logic."

In separating those groups that are discrete and insular from those that are not, as in many important legal distinctions, "a page of history is worth a volume of logic."

The act of 1916 calls the estate tax a'tax'and particularly denominates it an'estate tax.'This court recently has recognized that it is a duty or excise and is imposed in the exertion of the taxing power of the United States.

Like provisions in earlier acts have been generally upheld as imposing a tax on the privilege of transferring the property of a decedent at death, measured by the value of the interest transferred or which ceases at death.