"The accidents of the relation of master and slave, like the accidents of other social relations, are to be praised or condemned as such individually and in accordance with the circumstances of every case, and, whether adjudged good or bad, do not affect the character of the relation itself." On the subject of foreign immigration he was most outspoken, and replying to an enquiry of one of his political friends concerning his attitude towards the so-called "Know Nothings," he says:-- "So far as I can gather from the public papers, the object of this society would seem to be to resist the aggression of foreign influence and its insidious and dangerous assaults upon all that Americans hold dear, politically and religiously. It appears to be to prevent injury to the Republic from the ill-timed and, I may say, unbecoming tamperings with the laws, and habits, and deeply sacred sentiments of Americans by those whose position, alike dictated by modesty and safety, to them as well as to us, is that of minors in training for American, not European, liberty. "I have not, at this late day, to make up an opinion on this subject. My sentiments 'On the dangers to the free institutions of the United States from foreign immigration' are the same now that I have ever entertained, and these same have been promulgated from Maine to Louisiana for more than twenty years. "This subject involves questions which, in my estimation, make all others insignificant in the comparison, for they affect all others. To the disturbing influence of foreign action in our midst upon the political and religious questions of the day may be attributed in a great degree the present disorganization in all parts of the land. "So far as the Society you speak of is acting against this great evil it, of course, meets with my hearty concurrence. I am content to stand on the platform, in this regard, occupied by Washington in his warnings against foreign influence, by Lafayette, in his personal conversation and instructions to me, and by Jefferson in his condemnation of the encouragement given, even in his day, to foreign immigration. If this Society has ulterior objects of which I know nothing, of these I can be expected to speak only when I know something."