# 正因为难：肯尼迪、莱斯体育场与月球
## Because They Are Hard: Kennedy, Rice Stadium, and the Moon

*1962年9月一个酷热的午后，约翰·F·肯尼迪把一年前向国会许下的承诺讲成了一个理由。直到今天，这个理由仍能解释，为什么一个国家明知可能失败，还要去做那些难事。*

*On a sweltering September afternoon in 1962, John F. Kennedy took a promise he had made to Congress and turned it into a reason, and that reason still explains why nations attempt things they might fail at.*

> 衍生作品声明：本文依据肯尼迪 1962 年 9 月 12 日在莱斯大学的演讲改写而成，并非演讲原文或逐字译文；引号内文字引自演讲。
>
> Derived work: this article is rewritten from President Kennedy's address at Rice University, 12 September 1962. It is not the speech text or a literal translation; only words in quotation marks are quoted from the speech.

### 休斯敦的炎热午后 · A Hot Afternoon in Houston

到1962年9月，登月早已是既定国策。十六个月前，加加林的环球飞行和猪湾事件的惨败接连刺痛了肯尼迪。他随即请求国会承诺，要在这个十年结束前把人送上月球。国会同意了，资金也开始拨付。可公众还没有听到一个真正能打动他们的理由。约翰·格伦当年2月才完成绕地飞行，苏联看上去仍然领先一步。

By September 1962 the Moon was already official policy. Sixteen months earlier, stung by Yuri Gagarin's orbital flight and the fiasco at the Bay of Pigs, Kennedy had asked Congress to commit the nation to a lunar landing before the decade was out. Congress had agreed, and the money had started to flow. The public, however, had not yet been given a reason it could feel. John Glenn had orbited the Earth only that February, and the Soviet Union still seemed a step ahead.

于是肯尼迪去了休斯敦。国家航空航天局正在那里兴建载人航天器中心。他在莱斯大学的橄榄球场露天演讲，台下的人群已在得州的烈日下坐了很久。他先开了个玩笑：既然被授予荣誉客座教授，那么“我的第一堂课会非常简短”。这堂课讲了十七分钟左右，成为美国政治修辞中被引用最多的十七分钟之一。

So Kennedy went to Houston, where NASA was building its Manned Spacecraft Center. He spoke at Rice University's football stadium in the open air, before a crowd that had sat a long time in the Texas heat. He opened with a joke about having been made an honorary visiting professor and promised that his “first lecture will be very brief.” It ran to about seventeen minutes, and it is among the most quoted seventeen minutes in American political rhetoric.

### 把五万年压进五十年 · Fifty Thousand Years in Fifty

这篇演讲不是从火箭讲起，而是从时间讲起。肯尼迪请听众把人类有记载的五万年历史压缩成半个世纪。照这个比例，人类大约十年前才走出洞穴，五年前才学会写字。印刷机今年才出现，蒸汽机不到两个月前才问世，青霉素、电视和核能则是上周的事。他说，如果那艘正飞往金星的美国探测器顺利抵达，“在今晚午夜之前，我们就真的抵达星辰了”。

The speech does not begin with rockets. It begins with time. Kennedy asks his listeners to compress fifty thousand years of recorded human history into half a century. On that scale, people left their caves about ten years ago and learned to write five years ago. The printing press arrived this year and the steam engine less than two months ago. Penicillin, television and nuclear power came only last week. If the American probe then heading for Venus arrived, he said, “we will have literally reached the stars before midnight tonight.”

这个比喻不只是为了炫目。它让登月看起来像清单上顺理成章的下一项，而不是天方夜谭式的一跃。肯尼迪也借此承认了显而易见的质疑：如此快的速度，在驱散旧弊的同时，必然带来新的弊病。接着他用历史作答。休斯敦和得克萨斯都不是那些“等待、休息、只想回头看”的人建起来的。这是整篇演讲的第一个真正论点：进步无论如何都会到来，悬而未决的只是由谁来塑造它。

The device does more than dazzle. It makes the Moon look like the next entry on a list rather than an outlandish leap. It also lets Kennedy concede the obvious objection, that such speed “cannot help but create new ills as it dispels old.” He then answers that objection with history. Houston and Texas, he says, were not built by those who “waited and rested and wished to look behind them.” This is the speech's first real argument. Progress is coming either way, and the only open question is who will shape it.

### 一片新的海洋，一片争夺中的天空 · A New Ocean, a Contested Sky

冷战的阴影笼罩着每一段话，尽管肯尼迪只点名提到苏联一次。他认为，太空科学“本身并没有良知”。它和核科学一样，可以造福，也可以作恶。谁处于领先地位，谁就能决定“这片新的海洋将成为和平之海，还是一个可怕的新战场”。今天再读，“新的海洋”“扬帆起航”这些意象几乎带着浪漫色彩。但在1962年，这是迫在眉睫的战略问题。仅仅一个月后，古巴导弹危机就把世界推到了核战争的边缘。

The Cold War runs through every paragraph, though Kennedy names the Soviet Union only once. Space, he argues, “has no conscience of its own.” Like nuclear science, it can become a force for good or for ill. The country that leads will decide whether “this new ocean will be a sea of peace or a new terrifying theater of war.” Read today, the ocean imagery and the talk of setting sail sound almost romantic. In 1962 the point was strategic and urgent. One month later the Cuban Missile Crisis brought the world close to nuclear war.

他同时坚持两个看似相互拉扯的立场。一方面，美国必须争第一：“我们要参与其中——我们要引领它。”另一方面，太空提供了难得的和平合作机会，因为那里“还没有纷争，没有偏见，也没有国家间的冲突”。在他的讲述里，这场竞赛争的，正是让月球置身竞赛之外的权利。

He holds two positions that seem to pull against each other. America must be first: “We mean to be a part of it—we mean to lead it.” Yet space offers a rare chance for peaceful cooperation, because there is “no strife, no prejudice, no national conflict in outer space as yet.” The race, in his telling, is a contest for the right to keep the Moon out of the contest.

### 最难的那句话 · The Hardest Sentence

随后演讲转入高潮：“但有人会问，为什么是月球？”肯尼迪用一连串反问作答：为什么要攀登最高的山峰？为什么要像三十五年前的林德伯格那样飞越大西洋？“莱斯大学为什么要和得克萨斯大学比赛？”全场大笑，因为小小的莱斯年年都要挑战体量大得多的得州大学。这个玩笑承载了整个论点。人们挑战更强的对手，不是因为稳操胜券，而是想知道自己究竟有几斤几两。

Then comes the turn. “But why, some say, the moon?” Kennedy answers with questions of his own. Why climb the highest mountain? Why fly the Atlantic, as Lindbergh had done thirty-five years before? “Why does Rice play Texas?” The crowd laughed, because Rice was the small school that kept taking on the much larger University of Texas. The joke carries the whole argument. People take on a stronger opponent because they want to find out what they are made of, not because victory is guaranteed.

接着便是那句名言：“我们选择在这个十年登月，并完成其他事业，不是因为它们轻而易举，而是因为它们困难重重。”关键在“选择”二字。肯尼迪没有把登月说成苏联逼出来的应对，而是说成一次主动的抉择。他说，这个目标将“凝聚并检验我们最充沛的精力和最精湛的技能”。一个艰难的目标给了国家努力的方向，也给了它衡量成败的标尺。

Then he delivered the line itself: “We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard.” The word that matters is “choose.” Kennedy presents the Moon as an act of will, not something the Soviets had forced on America. The goal, he said, would “organize and measure the best of our energies and skills.” A hard target gives a nation something to aim at and a way to tell whether it is succeeding.

### 账单与豪言 · The Bill and the Boast

肯尼迪也给听众列了一份清单：让“大地震颤”的土星助推火箭试验，计划用于高级土星火箭的五台F-1发动机，卡纳维拉尔角那座高达四十八层的总装大楼，为船只导航的子午仪卫星，预警飓风的泰罗斯卫星。他也不回避代价。航天预算已达每年54亿美元，是“一笔惊人的巨款”，却“略低于我们每年花在香烟和雪茄上的钱”。他把这笔开支称为“出于信念与远见的举措”，还明明白白地告诉休斯敦人，其中有多少会落到他们的城市。

Kennedy also gave his audience an inventory. He mentioned the Saturn booster test that made “the ground shake,” the five F-1 engines planned for the advanced Saturn, and a Cape Canaveral assembly building as tall as a forty-eight-story structure. He cited Transit satellites guiding ships and Tiros satellites warning of hurricanes. He did not hide the cost. The space budget had reached $5.4 billion a year, “a staggering sum,” though “somewhat less than we pay for cigarettes and cigars every year.” He called the spending “an act of faith and vision,” and he told Houston exactly how much of it would come to Houston.

演讲中最精彩的是一个长句。它描述了一枚“高达300多英尺”的火箭，由“有些尚未发明出来”的合金制成，返回大气层时要承受接近太阳一半的高温。肯尼迪随即打破紧张气氛：“几乎和今天这里一样热。”片刻之后，他又调侃汗流浃背的观众：“活儿都是我在干。”幽默让宏大的愿景始终贴近看台上的人。

The finest passage is a single long sentence. It describes a rocket “more than 300 feet tall,” built from alloys “some of which have not yet been invented,” which must return through the atmosphere at a heat close to half that of the sun. Then Kennedy breaks the tension: “almost as hot as it is here today.” A moment later he teases the sweltering crowd: “I'm the one who is doing all the work.” The humor keeps the grand vision connected to the people sitting in the stands.

### 因为山就在那里 · Because It Is There

肯尼迪以乔治·马洛里收尾。这位探险家后来遇难于珠穆朗玛峰。据说有人问他为何要登山，他答道：“因为山就在那里。”肯尼迪把这句话推及太空、月球和行星，推及“对知识与和平的新希望”。他没能亲眼看到登月。1969年7月，阿波罗11号着陆月球，比他定下的期限还早了几个月。

Kennedy closed with George Mallory, who died on Everest. Asked why he wanted to climb the mountain, Mallory reportedly answered, “Because it is there.” Kennedy extended the answer to space, the Moon and the planets, and to “new hopes for knowledge and peace.” He did not live to see the landing. Apollo 11 touched down in July 1969, with months to spare before his deadline.

这篇演讲之所以历久弥新，在于它信任听众。肯尼迪没有说登月便宜，没有说它安全，也没有说它的好处已经一清二楚。他的论证是：困难本身就可以成为理由；一个民主国家可以当众选择一件难事，给它定下期限，并且说到做到。今天提出宏大计划的领导人，无论关乎气候、医学还是重返月球，仍在借用他的语调。但很少有人能像他那样坦率地交代代价。

The speech lasts because it trusts its audience. Kennedy did not claim the Moon would be cheap or safe, or that its benefits were already known. He argued that difficulty can itself be a reason, and that a democracy can choose a hard thing in public, put a date on it, and keep its word. Leaders proposing great projects today, whether in climate, medicine or a return to the Moon, still borrow his cadence. Few of them match his candor about the cost.

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来源：John F. Kennedy Presidential Library 录音（archive.org/details/jfks19620912）· 照片 NASA S62-05616 · 美国联邦政府作品，公有领域