"But, although this cannot be perceived by the senses, we do not fail to conceive that this happens, through the knowledge we have of matter; and we should not, he says, hesitate to order our judgment on things whereof we conceive. Indeed can we imagine the way in which the soul acts upon the body? Yet that truth cannot be denied nor doubted; while it is a much greater absurdity to attribute to void an extension which is a property belonging to the body of space, seeing that here the idea of nothing is confounded with that of being and qualities are attributed to that which can produce nothing and cannot be the author of anything. But, poor mortal, I feel that these speculations tire you, because, as that excellent man says, 'You have never taken the trouble to purify your mind from the mass of your body, and because you have rendered it so lazy that it will no longer perform any of its functions without the help of the senses.'"

I was about to reply when he touched my arm to point out to me a valley of marvellous beauty.

"Do you perceive", said he, "that incline by which we are about to descend? It is as if the crests of the surrounding hills were expressly crowned with trees to invite passers-by to rest in the coolness of their shade.

"At the foot of one of those hills the Lake of Sleep has its source; it is made of the fluid of five springs alone. If it did not mingle with the three rivers and thicken their waters with its weight no animal in our world could sleep."

I cannot express the impatience I felt to question him about these three rivers, which I had never heard of before. But I was contented by his promising me that I should see everything.

We soon reached the valley and almost at the same time the carpet which borders this great lake.

"Truly", said Campanella, "you are fortunate to behold all the marvels of this world before you die; it is well for the inhabitants of your globe to have produced a man who can inform them of the Sun's marvels since without you they were in danger of living in gross ignorance and of enjoying a hundred agreeable things without knowing whence they come; for it is not to be imagined what liberalities the Sun pours upon all your little globes; this valley alone scatters an infinite number of gifts through all the universe, without which you could not live nor even see the light of day. It seems to me that to have seen this country is sufficient to make you admit that the Sun is your Father and the Author of all things.[80] The five rivulets which debouch here flow only fifteen or sixteen hours; and yet when they arrive they seem so tired they can scarcely move; but they show their weariness in very different ways. Sight narrows as it approaches the Pool of Sleep; Hearing as it debouches grows confused, wanders and is lost in the mud; Smell creates a murmur like that of a man snoring; Taste, deadened from the way, becomes wholly insipid, and Touch, formerly so powerful that it harboured all its companions, is reduced to hiding its dwelling-place. The Nymph of Peace, who lives in the midst of the Lake, receives her guests with open arms, lays them in her bed, and indulges them with such delicacy that she herself takes the trouble to cradle them to put them to sleep. Some time after they have been mingled in this vast round pond they are seen to divide again at the other end into five rivulets, which, as they leave, take up again the names they abandoned on entering. But the most impatient of the party (who worry their companions to set out again) are Hearing and Touch; as for the three others they wait for these two to arouse them, and Taste especially always lags behind the others.[81]

"The black concave of a grotto arches over the Lake of Sleep. Quantities of tortoises walk slowly on the bank; a thousand poppy flowers reflected in the water give it the power of putting to sleep; for fifty leagues round even the marmots come to drink of it and the whisper of the stream is so delightful that it seems to rustle over the pebbles in measure and to compose a sleepy music."

The wise Campanella no doubt saw that I should be affected by it to some extent and therefore advised me to increase my pace. I should have obeyed him, but the charms of this water had so enveloped my reason that I retained scarce enough to understand these last words:

"Sleep, then, sleep, and I will leave you; the dreams one has here are so perfect that some day you will be glad to remember what you are about to dream. I will amuse myself by visiting the rarities of the place and then I will rejoin you."