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Rh Gentlemen, you have at present arrived at a phase of natural science in which, rejecting alike the theology of the Byzantine, and the affection of the Frank, you can only contemplate a bird as flying under the reign of law, and a cricket as singing under the compulsion of caloric.

I do not know whether you yet feel that the position of your boat on the river also depends entirely on the reign of law, or whether, as your churches and concert-rooms are privileged in the possession of organs blown by steam, you are learning yourselves to sing by gas, and expect the Dies Irae to be announced by a steam-trumpet. But I can very positively assure you that, in my poor domain of imitative art, not all the mechanical or gaseous forces of the world, nor all the laws of the universe, will enable you either to see a colour, or draw a line, without that singular force anciently called the soul, which it was the function of the Greek to discipline in the duty of the servants of God, and of the Goth to lead into the liberty of His children.

206. But in one respect I wish you were more conscious of the existence of law than