【正文】 sappointment as William James Lecturer just a year later divided the Corporation, but PresidentConant broke the tie and Russell conflicts over invited speakers are hardly the vehemence with which these issues have been debated in recent months, not just oncampuses but in the broader public sphere, suggests there is something distinctive about , these controversies reflect a highly polarized political and socialenvironment – perhaps the most divisive since the era of the Civil in these alreadyfractious circumstances, free speech debates have provided a fertile substrate into whichanger and disagreement could be planted to nourish partisan outrage and generate that is only a partial themselves have changed dramatically in recent years, reaching beyond theirtraditional, largely homogeneous populations to bee more diverse than perhaps anyother institution in which Americans find themselves living overwhelminglywhite, male, Protestant, and upper class, Harvard College is now half female, majorityminority, religiously pluralistic, with nearly 60 percent of students able to attend because offinancial percent are the first in their families to go to of our studentsstruggle to feel full members of this munity – a munity in which people like them haveso recently seek evidence and assurance that – to borrow the title of a powerfultheatrical piece created by a group of our AfricanAmerican students – evidence andassurance that they, too, are price of our mitment to freedom of speech is paid disproportionately by them, free speech has not infrequently included enduring a questioning oftheir abilities, their humanity, their morality – their very legitimacy values and ourtheory of education rest on the assumption that members of our munity will take the riskof speaking and will actively pete in our wild rumpus of argument and requiresthem as well to be fearless in face of argument or challenge or even verbal itexpects that fearlessness even when the challenge is directed to the very identity – race,religion, gender, ethnicity, sexual orientation, nationality – that may have made themuncertain about their right to be here in the first such fearlessness ishard。醫(yī)學(xué)院的研究生在中國五個定點工作。當(dāng)哈佛干細胞研究所成立時，創(chuàng)建者明白它的成員——用他們自己的話說——“不只是包括科學(xué)家和物理學(xué)家?也該有從事法律，政府，神學(xué)，商學(xué)，和人文方面的哈佛教授。而當(dāng)我們理解真理不是擁有，而是追求，我們的教學(xué)也越來越著重叩問，交換，挑戰(zhàn)——為培養(yǎng)學(xué)生活到老、學(xué)到老的技巧和態(tài)度做準(zhǔn)備，我們的課程設(shè)計也更著重辯論和討論。真理不是坐擁所有，而是一種渴望——一種理解之道。我們和諸位一樣，都在學(xué)習(xí)如何在新的時代里善用這些傳統(tǒng)。這些正在學(xué)院和大學(xué)就讀的學(xué)生人數(shù)比例是二十世紀初期的十二倍。此時此刻的自然傾向是，把貪圖舒適和隨波逐流留凌駕于進步和方向性之上，但，這可能是錯誤的。今天的哈佛畢業(yè)生正在進入的世界和管理人員當(dāng)年所進入的世界相比已是大相徑庭了。At the same time, today, the actions, and inaction, of human beings imperil not only life on the planet, but the very life of the ，今天，人類所做的及沒能做到的事情，不僅危害到這個星球上的生命，也危害到該星球的壽命。我們中的一些人意見不盡相同，但是，我知道，我們的共識遠遠超越分歧。never greater for those who can master, and navigate between, legal codes, faith traditions, puter platforms, political is also a world where some are left further and further behindbut desperately in need of , when sound bites are getting shorter, when instant messages crowd out essays, and when individual lives grow more frenzied, college graduates capable of deep reflection are what our world all these reasons I believedin the unique and irreplaceable mission of are where the wisdom we cannot afford to lose is preserved from generation to all human institutions, universities can look beyond present norms to future possibilities, can look through current considerations to emergent among universities, Harvard stands its great tradition, its iconicreputation, its remarkable network of 300,000 alumni, Harvard has never had as much potential as it does yet, great and proud institutions, like great and proud nations at their peak, must surmount a very real risk: that the very strength of their traditions will lead to caution, to an inward focus on prerogative and to a placency that lets the world pass them so I say to you that our University today is at an inflection point in its such a moment, there is temptation to elevate fort and consensus over progress and clear direction, but this would be a University’s matchless resourcesdemand that we seize this moment with vision and do otherwise would be a lost can spur great deeds that history will mark decades and even centuries from Harvard can find the courage to chang