Moreover Frederick, who had proved by his wars the importance which he attached to Silesia, was indefatigable in times of peace in his attempts to justify his usurpation.
He had courage, a vivid sense of duty, an indefatigable love of work, and all the inquisitive zeal and inventive energy of a born reformer.
From this moment may be dated the personal reign of Peter, for he now began to direct personally all branches of the administration, and governed with indefatigable vigour for twenty-seven years, during which he greatly increased the area and profoundly modified the internal condition of his country.
All the princes of Europe sent him disciples, who found in this skilful professor not only an indefatigable teacher, but an affectionate guardian.
Thomas Robinson, 1st Baron Grantham (1695-1770), son of a later holder of the baronetcy, was created a peer in 1761, having been an indefatigable diplomatist plenipotentiary at the peace of Aix-la-Chapelle, and secretary of state.