Maidstone, which he characterizes as "the mansion of peace, piety, and cheerfulness." He also visited[Pg lvi] Mrs. Montagu, at her seat, called Sandleford, in Berks. [Pg lvi] In 1786, his Evidences of the Christian Religion, were published. A remark which he makes in a letter, while engaged in the composition of this judicious summary, is worth quoting: "Whether this work shall ever be of use to others, I know not; but this I know, that it has been of considerable benefit to myself. For though, when I entered upon it, I understood my subject well enough to entertain no doubt of the goodness of my cause, yet I find, as I advance, new light continually breaking in upon me." The receipt of the following letter could hardly fail to gratify our author: "Philadelphia, 1st August, 1786. "The American revolution, which divided the British empire, made no breach in the republic of letters. As a proof of this, a stranger to your person, and a citizen of a country lately hostile to yours, has expressed his obligations to you for the knowledge and pleasure he has derived from your excellent writings by procuring your admission into the American Philosophical Society; a certificate of which, subscribed by our illustrious president, Dr. Franklin, and the other officers of the society, you will receive by the next vessel that sails to any port in North Britain from this city.[Pg lvii] The [Pg lvii] "The stranger alluded to finished his studies in medicine in Edinburgh in the year 1769, and has ever since taught chemistry and medicine in the college of Philadelphia. His name (with the greatest respect for yours) is, "Benjamin Rush." Benjamin Rush The next year, with his eldest son for his companion, he repaired again to London. While there, he writes thus to his niece, Miss Valentine, now Mrs. Glennie: "London, 20th July, 1787. "I am just returned from Windsor, where I passed three days. I went thither, partly to see some friends, but chiefly that I might pay my respects to the King and Queen. They both received me in the most gracious manner. I saw the King first on the terrace, where he knew me at first sight, and did me the honour to converse with me a considerable time.