“I have before now experienced that the best way to get a vivid impression and feeling of a landscape is to sit down before it and read, or become otherwise absorbed in thought; for then, when our eyes happen to be attracted to the landscape, you seem to catch Nature at unawares, and see her before she has time to change her aspect. The effect lasts but for a single instant, and passes away almost as soon as you are conscious of it; but it is real for that moment. It is as if you could overhear and understand what the trees are whispering to one another; as if you caught a glimpse of a face unveiled, which veils itself from every willful glance. The mystery is revealed, and, after a breath or two, becomes just as much a mystery as before.”