"It is not for me to attempt a theme which has perhaps been exhausted by these great writers. I am indeed much less called upon to display the worth and usefulness of the law of nations, than to vindicate myself from presumption in attempting a subject which has been already handled by so many masters. For the purpose of that vindication it will be necessary to sketch a ver y short and slight account (for such in this place it must unavoidably be) of the progress and present state of the science ...