which William Blake believed to be true. He would have felt the sea not as a waste but as a wall. Nature had no outline, but imagination had. And it was imagination that was trustworthy.
This definition explains other things. Blake was enthusiastically in favour of the French Revolution; yet he enthusiastically hated that school of sceptics which, in the opinion of many, made the Revolution possible. He did not mind Marat; but he detested Voltaire. The reason is obvious in the light of his views on Nature and Imagination. The Republican Idealists he liked because they were Idealists, because their abstract doctrines about justice and human equality were abstract doctrines. But the school of Voltaire was naturalistic; it loved to remind man of his earthly origin and even of his earthly degradation. The war, which Blake loved, was a war of the invisible against the visible. Valmy and Arcola were part of such a war; it was a war between the visible kings and the invisible Republic. But Voltaire's war was exactly the opposite; it was a discrediting of the invisible Church by the indecent exhibition of the real Church, with its fat friars or its
