all derived. To the same work was subjoined a short treatise on the first formation of language, and considerations on the different genius of those which were original and compounded.
The Theory of Moral Sentiments, immediately on its publication, procured a splendid reputation to the author, and led to a change in his situation in life, that was to him no less pleasing in itself, than gratifying from the means by which it was brought about. But the following lively letter to him, at that time, from his friend Mr. Hume, dated London, 12th April, 1759, will best show the manner in which this work was received, and the influence which it had in deciding on the future life of its author:--