Summary

Oliver Wendell Holmes, Jr. Boston Sand Gravel Company v. United States…

But we are of opinion that a scrutiny leads to a different result. It is at least possible that the words fixing the extent of the government's liability were carefully chosen, and we are of opinion that they were. We start with the rule that the United States is not liable to interest except where it assumes the liability by contract or by the express words of a statute, or must pay it as part of the just compensation required by the Constitution.
Source: Wikisource

Oliver Wendell Holmes, Jr. Boston Sand Gravel Company v. United States…

What the Act authorizes the Court to ascertain and allow is the 'amount of the legal damages sustained by reason of said collision.' Of these interest is no part. It might be in case of the detention of money. But this is not a claim for the detention of money, nor can any money be said to have been detained. When a jury finds a man guilty of a tort or a crime it may determine not only the facts but also a standard of conduct that he is presumed to have known and was bound at his peril to follow.
Source: Wikisource

Oliver Wendell Holmes, Jr. Boston Sand Gravel Company v. United States…

In collision cases between private parties, interest, as a general rule, is allowed upon the amount of the loss sustained. That the allowance may be to some extent in the discretion of the court does not affect the question presented here, since the court below denied interest not as a matter of discretion but upon the ground that it had no power to allow it against the United States.
Source: Wikisource

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