Thoreau writes in his journal:
If the writers of the brazen age are most suggestive to thee, confine thyself to them, and leave those of the Augustan age to dust and the bookworms. Was surprised this morning to see how much the river was swollen by the rain of day before yesterday. The channel, or river itself, is still covered with ice, but the meadows are broad sheets of dark-blue water, contrasting with the white patches of snow still left. The ice on the river rises with the water in this case . . .