_May 9th._--A correspondence appears in the newspapers between Lord Grey and John Russell, couched in terms of no small bitterness. Such a correspondence between men of such eminence and of the same political colour shows up to the world the insincerity with which, for political motives at the time urgent, they have spoken in their places in Parliament. It is no new thing that members of the same Cabinet should often differ, and that vehemently on particular questions, and yet when these questions come under Parliamentary discussion, that they should exhibit to the world the semblance of an agreement and concurrence which is remote from the truth. But though this is well understood to be of not unfrequent occurrence, and sooner or later the details of the truth often leak out, it is much to be regretted that men should exhibit themselves and each other in the way which this correspondence does, for such exhibitions cannot fail to excite suspicions of the sincerity, conscientiousness, and truth of public men. When Governments are entirely of one party colour, either wholly Whig or wholly Tory, and when they are presided over by some man of supereminent authority, such differences and consequent difficulties are not likely to happen often; but as of late years parties have been broken up, and composite Governments have been formed, combining men of the most opposite original principles, and imbued with very different and incompatible opinions on various subjects, it must be continually happening that candid discussions and disputes in the Cabinet should be followed by insincere and untruthful declarations and argumentations in public. The understood practice from time immemorial has been, that a dissentient from the general opinion of his colleagues upon any _important_ question must either consent to merge his own opinion in theirs, or retire from office; and then the conduct of the dissentient was regulated by his view of the _importance_ of the matter at issue. Of course if a man were to break off from his colleagues upon every matter of difference, however small, no Government could possibly go on for many months or perhaps weeks, but it is impossible in these days not to be struck with the fact that so many men are indisposed to consider anything of sufficient importance to resign their offices rather than sacrifice their enlightened consciences and mature judgements.