For these reasons he did not stand for re-election when the Chamber was dissolved in 1852, although the King was very much displeased with his determination. He was shortly afterwards appointed member of the newly constituted House of Lords, but though he occasionally voted, as in duty bound, for Government measures, he never spoke; he was not to be heard again in the Parliament until he appeared there as President of the Ministry. He was glad to be freed from a tie which had interfered with his duties at Frankfort; to these he devoted himself with an extraordinary energy; all his old repugnance to official life had disappeared; he did not confine himself to the mere routine of his duties, or to carrying out the instructions sent to him from Berlin.
His power of work was marvellous: there passed through his hands a constant series of most important and complicated negotiations; up to this time he had no experience or practice in sedentary literary work, now he seems to go out of the way to make fresh labours for himself. He writes long and careful despatches to his Minister on matters of general policy; some of them so carefully thought out and so clearly expressed that they may still be looked on as models. He is entirely free from that circumlocution and involved style which makes so much diplomatic correspondence almost worthless. His arguments are always clear, complete, concise. He used to work long into the night, and then, when in the early morning the post to Berlin had gone, he would mount his horse and ride out into the country. It was in these years that he formed those habits to which the breakdown of his health in later years was due; but now his physical and intellectual vigour seemed inexhaustible.
He never feared to press his own views as to the policy which should be pursued. He also kept up a constant correspondence with Gerlach, and many of these letters were laid before the King, so that even when absent he continued as before to influence both the official and unofficial advisers. He soon became the chief adviser on German affairs and was often summoned to Berlin that his advice might be taken; within two years after his appointment he was sent on a special mission to Vienna to try and bring about an agreement as to the rivalry concerning the Customs' Union. He failed, but he had gained a knowledge of persons and opinions at the Austrian Court which was to be of much use to him.
During these years, indeed, he acquired a most remarkable knowledge of Germany; before, he had lived entirely in Prussia, now he was at the centre of the German political system, continually engaged in important negotiations with the other Courts; after a few years there was not a man of importance in German public life whose character and opinions he had not gauged.
Further experience only confirmed in him the observations he had made at the beginning, that it was impossible to maintain a good understanding with Austria. The tone of his letters soon changes from doubt and disappointment to settled and determined hostility. In other matters also he found that the world was not the same place it had seemed to him; he had been accustomed to regard the Revolution as the chief danger to be met; at Frankfort he was in the home of it; here for nearly a year the German Assembly had held its meetings; in the neighbouring States of Baden, Hesse, and in the Palatinate, the Republican element was strong; he found them as revolutionary as ever, but he soon learnt to despise rather than fear them:
"The population here would be a political volcano if revolutions were made with the mouth; so long as it requires blood and strength they will obey anyone who has courage to command and, if necessary, to draw the sword; they would be dangerous only under cowardly governments. "I have never seen two men fighting in all the two years I have been here. This cowardice does not prevent the people, who are completely devoid of all inner Christianity and all respect for authority, from sympathising with the Revolution."
His observations on the character of the South Germans only increased his admiration for the Prussian people and his confidence in the Prussian State.
He had not been at Frankfort a year before he had learnt to look on this hostility of Austria as unsurmountable. As soon as he had convinced himself of this, he did not bewail and bemoan the desertion of their ally; he at once accustomed himself to the new position and considered in what way the Government ought to act. His argument was simple. Austria is now our enemy; we must be prepared to meet this enmity either by diplomacy or war; we are not strong enough to do so alone; therefore we must have allies. There was no sure alliance to be had in Germany; he despised the other German States. If there were to be a war he would rather have them against him than on his side. He must find help abroad; Austria had overcome Prussia by the alliance with Russia. Surely the only thing to be done was to seek support where it could be got, either with Russia or with France, if possible with both. In this he was only reverting to the old policy of Prussia; the alliance with Austria had only begun in 1813. From now until 1866 his whole policy was ceaselessly devoted to bringing about such a disposition of the forces of Europe that Austria might be left without allies and Prussia be able to regain the upper hand in German affairs.
The change was in his circumstances, not in his character; as before he was moved by a consuming passion of patriotism; something there was too of personal feeling,—his own pride, his own ambitions were engaged, though this was as nothing compared to love of his country and loyalty to the King. He was a soldier of the Prussian Crown: at Berlin he had to defend it against internal enemies; now the danger had shifted, the power of the Government was established, why waste time in fighting with Liberalism? Other enemies were pressing on. When Jellachich and Windischgätz had stood victorious by the blood-stained altar of St. Stephen's, the Austrian army had destroyed the common foe; now it was the same Austrian army and Austrian statesmen who desired to put a limit to Prussian ambition. Bismarck threw himself into the conflict of diplomacy with the same courage and relentless persistence that he had shewn in Parliamentary debates. He had already begun to divine that the time might come when the Prussian Crown would find an ally in Italian patriots and Hungarian rebels.
It was the Eastern complications which first enabled him to shew his diplomatic abilities in the larger field of European politics. The plans for the dismemberment of the Turkish Empire which were entertained by the Czar were opposed by England, France, and Austria; Prussia, though not immediately concerned, also at first gave her assent to the various notes and protests of the Powers; so that the ambition of the Czar was confronted by the unanimous voice of Europe.