I tell you (dogmatically, if you like to call it so, knowing it well) a square inch of man's engraving is worth all the photographs that were ever dipped in acid... Believe me, photography can do against line engraving just what Madame Tussaud's wax-work can do against sculpture. That and no more. (1865)

I believe that there is no test of greatness in periods, nations or men more sure than the development, among them or in them, of a noble grotesque, and no test of comparative smallness or limitation, of one kind or another, more sure than the absence of grotesque invention, or incapability of understanding it.

Every great man is always being helped by everybody, for his gift is to get good out of all things and all persons.

A nation which lives a pastoral and innocent life never decorates the shepherd's staff or the plough-handle; but races who live by depredation and slaughter nearly always bestow exquisite ornaments on the quiver, the helmet, and the spear.

A splendour of miscellaneous spirits.

The force of the guinea you have in your pocket depends wholly on the default of a guinea in your neighbour's pocket. If he did not want it, it would be of no use to you.

The eye is continually influenced by what it cannot detect; nay, it is not going too far, to say that it is most influenced by what it detects least. Let the painter define, if he can, the variations of lines on which depend the change of expression in the human countenance.