Each of them desired nothing more than to give himself up as a prisoner to escape from all this horror and misery; but on the one hand the force of this common attraction to Smolénsk, their goal, drew each of them in the same direction; on the other hand an army corps could not surrender to a company, and though the French availed themselves of every convenient opportunity to detach themselves and to surrender on the slightest decent pretext, such pretexts did not always occur. Their very numbers and their crowded and swift movement deprived them of that possibility and rendered it not only difficult but impossible for the Russians to stop this movement, to which the French were directing all their energies. Beyond a certain limit no mechanical disruption of the body could hasten the process of decomposition.
A lump of snow cannot be melted instantaneously. There is a certain limit of time in less than which no amount of heat can melt the snow. On the contrary the greater the heat the more solidified the remaining snow becomes.