It was at this critical period, when the Hanoverian dynasty was shaken almost to its downfall by the insurrection in Scotland of 1745, that Ireland was imperilled: 'With a weak or wavering, or a fierce and headlong Lord-Lieutenant—with a Grafton or a Strafford,' remarks Lord Mahon, 'there would soon have been a simultaneous rising in the Emerald Isle.' But Chesterfield's energy, his lenity, his wise and just administration saved the Irish from being excited into rebellion by the emissaries of Charles Edward, or slaughtered, when conquered, by the 'Butcher,' and his tiger-like dragoons. When all was over, and that sad page of history in which the deaths of so many faithful adherents of the exiled family are recorded, had been held up to the gaze of bleeding Caledonia, Chesterfield recommended mild measures, and advised the establishment of schools in the Highlands; but the age was too narrow-minded to adopt his views. In January, 1748, Chesterfield retired from public life. 'Could I do any good,' he wrote to a friend, 'I would sacrifice some more quiet to it; but convinced as I am that I can do none, I will indulge my ease, and preserve my character. I have gone through pleasures while my constitution and my spirits would allow me. Business succeeded them; and I have now gone through every part of it without liking it at all the better for being acquainted with it. Like many other things, it is most admired by those who know it least.... I have been behind the scenes both of pleasure and business; I have seen all the coarse pulleys and dirty ropes which exhibit and move all the gaudy machines; and I have seen and smelt the tallow candles which illuminate the whole decoration, to the astonishment and admiration of the ignorant multitude.... My horse, my books, and my friends will divide my time pretty equally.'

He still interested himself in what was useful; and carried a Bill in the House of Lords for the Reformation of the Calendar, in 1751. It seems a small matter for so great a mind as his to accomplish, but it was an achievement of infinite difficulty. Many statesmen had shrunk from the undertaking; and even Chesterfield found it essential to prepare the public, by writing in some periodical papers on the subject. Nevertheless the vulgar outcry was vehement: 'Give us back the eleven days we have been robbed of!' cried the mob at a general election. When Bradley was dying, the common people ascribed his sufferings to a judgment for the part he had taken in that 'impious transaction,' the alteration of the calendar. But they were not less bornés in their notions than the Duke of Newcastle, then prime minister. Upon Lord Chesterfield giving him notice of his Bill, that bustling premier, who had been in a hurry for forty years, who never 'walked but always ran,' greatly alarmed, begged Chesterfield not to stir matters that had been long quiet; adding, that he did not like 'new-fangled things.' He was, as we have seen, overruled, and henceforth the New Style was adopted; and no special calamity has fallen on the nation, as was expected, in consequence. Nevertheless, after Chesterfield had made his speech in the House of Lords, and when every one had complimented him on the clearness of his explanation—'God knows,' he wrote to his son, 'I had not even attempted to explain the Bill to them; I might as soon have talked Celtic or Sclavonic to them as astronomy. They would have understood it full as well.' So much for the 'Lords' in those days!

After his furore for politics had subsided, Chesterfield returned to his ancient passion for play. We must linger a little over the still brilliant period of his middle life, whilst his hearing was spared; whilst his wit remained, and the charming manners on which he had formed a science, continued; and before we see him in the mournful decline of a life wholly given to the world.

He had now established himself in Chesterfield House. Hitherto his progenitors had been satisfied with Bloomsbury Square, in which the Lord Chesterfield mentioned by De Grammont resided; but the accomplished Chesterfield chose a site near Audley Street, which had been built on what was called Mr. Audley's land, lying between Great Brook Field and the 'Shoulder of Mutton Field.' And near this locality with the elegant name, Chesterfield chose his spot, for which he had to wrangle and fight with the Dean and Chapter of Westminster, who asked an exorbitant sum for the ground. Isaac Ware, the editor of 'Palladio,' was the architect to whom the erection of this handsome residence was intrusted. Happily it is still untouched by any renovating hand. Chesterfield's favourite apartments, looking on the most spacious private garden in London, are just as they were in his time; one especially, which he termed the 'finest room in London,' was furnished and decorated by him. 'The walls,' says a writer in the 'Quarterly Review,' 'are covered half way up with rich and classical stores of literature; above the cases are in close series the portraits of eminent authors, French and English, with most of whom he had conversed; over these, and immediately under the massive cornice, extend all round in foot-long capitals the Horatian lines:—

'Nunc . veterum . libris . Nunc . somno . et . inertibus . Horis.

Lucen . solicter . jucunda . oblivia . vitea.

'On the mantel-pieces and cabinets stand busts of old orators, interspersed with voluptuous vases and bronzes, antique or Italian, and airy statuettes in marble or alabaster of nude or semi-nude opera nymphs.'

What Chesterfield called the 'cannonical pillars' of the house were columns brought from Cannons, near Edgeware, the seat of the Duke of Chandos. The antechamber of Chesterfield House has been erroneously stated as the room in which Johnson waited the great lord's pleasure. That state of endurance was probably passed by 'Old Samuel' in Bloomsbury.

In this stately abode—one of the few, the very few, that seem to hold noblesse apart in our levelling metropolis—Chesterfield held his assemblies of all that London, or indeed England, Paris, the Hague, or Vienna, could furnish of what was polite and charming. Those were days when the stream of society did not, as now, flow freely, mingling with the grace of aristocracy the acquirements of hard-working professors; there was then a strong line of demarcation; it had not been broken down in the same way as now, when people of rank and wealth live in rows, instead of inhabiting hotels set apart. Paris has sustained a similar revolution, since her gardens were built over, and their green shades, delicious, in the centre of that hot city, are seen no more. In the very Faubourg St. Germain, the grand old hotels are rapidly disappearing, and with them something of the exclusiveness of the higher orders. Lord Chesterfield, however, triumphantly pointing to the fruits of his taste and distribution of his wealth, witnessed, in his library at Chesterfield House, the events which time produced. He heard of the death of Sarah, Duchess of Marlborough, and of her bequest to him of twenty thousand pounds, and her best and largest brilliant diamond ring, 'out of the great regard she had for his merit, and the infinite obligations she had received from him.' He witnessed the change of society and of politics which occurred when George II. expired, and the Earl of Bute, calling himself a descendant of the house of Stuart, 'and humble enough to be proud of it,' having quitted the isle of Bute, which Lord Chesterfield calls 'but a little south of Nova Zembla,' took possession, not only of the affections, but even of the senses of the young king, George III., who, assisted by the widowed Princess of Wales (supposed to be attached to Lord Bute), was 'lugged out of the seraglio,' and 'placed upon the throne.'

Chesterfield lived to have the honour of having the plan of 'Johnson's Dictionary' inscribed to him, and the dishonour of neglecting the great author. Johnson, indeed, denied the truth of the story which gained general belief, in which it was asserted that he had taken a disgust at being kept waiting in the earl's antechamber, the reason being assigned that his lordship 'had company with him;' when at last the door opened, and forth came Colley Cibber. Then Johnson—so report said—indignant, not only for having been kept waiting but also for whom, went away, it was affirmed, in disgust; but this was solemnly denied by the doctor, who assured Boswell that his wrath proceeded from continual neglect on the part of Chesterfield.