How was it possible, I asked myself, to walk for an hour through the woods and see nothing worthy of note? I who cannot see find hundreds of things to interest me through mere touch. I feel the delicate symmetry of a leaf. I pass my hands lovingly about the smooth skin of a silver birch, or the rough, shaggy bark of a pine. In the spring I touch the branches of trees hopefully in search of a bud the first sign of awakening Nature after her winter's sleep. I feel the delightful, velvety texture of a flower, and discover its remarkable convolutions; and something of the miracle of Nature is revealed to me. Occasionally, if I am very fortunate, I place my hand gently on a small tree and feel the happy quiver of a bird in full song. I am delighted to have the cool waters of a brook rush thought my open finger. To me a lush carpet of pine needles or spongy grass is more welcome than the most luxurious Persian rug. To me the page ant of seasons is a thrilling and unending drama, the action of which streams through my finger tips.

　　At times my heart cries out with longing to see all these things. If I can get so much pleasure from mere touch, how much more beauty must be revealed by sight. Yet, those who have eyes apparently see little. the panorama of color and action which fills the world is taken for granted. It is human, perhaps, to appreciate little that which we have and to long for that which we have not, but it is a great pity that in the world of light the gift of sight is used only as a mere conveniences rather than as a means of adding fullness to life.

　　If I were the president of a university I should establish a compulsory course in "How to Use Your Eyes". The professor would try to show his pupils how they could add joy to their lives by really seeing what passes unnoticed before them. He would try to awake their dormant and sluggish faculties.

　　Perhaps I can best illustrate by imagining what I should most like to see if I were given the use of my eyes, say, for just three days. And while I am imagining, suppose you, too, set your mind to work on the problem of how you would use your own eyes if you had only three more days to see. If with the on-coming darkness of the third night you knew that the sun would never rise for you again, how would you spend those three precious intervening days? What would you most want to let your gaze rest upon?

　　I, naturally, should want most to see the things which have become dear to me through my years of darkness. You, too, would want to let your eyes rest on the things that have become dear to you so that you could take the memory of them with you into the night that loomed before you.

　　If, by some miracle, I were granted three seeing days, to be followed by a relapse into darkness, I should divide the period into three parts.

         我们大家都读过一些令人激动的故事，这些故事里的主人公仅仅活在有限并且特定的时间内，有时长达一年，有时短到２４小时。但我们总是有兴趣发现，那命中注定要死的是那些有选择自由的人，而不是那些活动范围被严格限定了的判了刑的犯人。