We have to resume it where we had left off, and there steals over us a terrible sense of the necessity for the continuance of energy in the same wearisome round of stereotyped habits, or a wild longing, it may be, that our eyelids might open some morning upon a world that had been refashioned anew in the darkness for our pleasure, a world in which things would have fresh shapes and colours, and be changed, or have other secrets, a world in which the past would have little or no place, or survive, at any rate, in no conscious form of obligation or regret, the remembrance even of joy having its bitterness, and the memories of pleasure their pain.