The Cossack was sharpening the saber under the wagon.
"What are you sharpening?" asked a man coming up to the wagon.
The shares, when made of the same material, required constant sharpening; this necessity was removed by the device, patented by Robert Ransome in 1803, of chilling and so hardening the under-surface of the share; the upper surface, which is soft, then wears away more quickly than the chilled part, whereby a sharp edge is always assured.
But the phrases of the creed seem to have needed sharpening 1 The first person who doubted the authorship seems to have been Joachim Camerarius, 1551, who was so fiercely attacked in consequence that he omitted the passage from his Latin edition.
The exclusive preoccupation of men's minds with the question of knowledge during the neo-Kantian revival in the 'seventies of the last century drew from Lotze the caustic criticism that "the continual sharpening of the knife becomes tiresome, if, after all, we have nothing to cut with it."