The value and interest of the Perceval romances stand very high, not alone for their intrinsic merit, though that is considerable - Chretien's Perceval, though not his best poem, is a favourable specimen of his work, and von Eschenbach's Parzival, though less elegant in style, is by far the most humanly interesting, and at the same time, most deeply spiritual, of the Grail romances - but also for the interest of the subject matter.
Of his teachers, one, the Rev. Charles Wellbeloved, was, Martineau said, " a master of the true Lardner type, candid and catholic, simple and thorough, humanly fond indeed of the counsels of peace, but piously serving every bidding of sacred truth."
Again, it assumes an ideal of truth which turns out to be humanly unattainable and incompatible with the existence of error, an d an ideal of science which no human science can be conceived as attaining.
In every way humanly possible.
From 1805 to 1807 he was commander-in-chief of the Swedish forces in Pomerania, where he displayed great ability and retarded the conquest of the duchy as long as it was humanly possible.