But, if every one of you changed the lives of just ten people
但是 如果你们每个人能够改变十个人的命运
and each one of those people changed the lives of another ten people
然后这十个人中的每一个再改变另外十个人的命运
and another ten
依此类推
then in five generations, 125 years
那么五代人后 125年以后
the class of 2014
作为2014届毕业生
will have changed the lives of 800 million people
你们将总共能改变八亿人的命运
800 million people
八亿人
think about it over twice the population of the United States
想想 这超过了美国人口的两倍
Go one more generation and you can change the entire population of the world
再往前一代 你们将能够改变全世界所有人的命运
8 billion people
八十亿人
If you think it's hard to change the lives of ten people
不要认为自己没能力改变十个人的命运
change their lives forever you're wrong
这种想法绝对是错误的
I saw it happen every day in Iraq and Afghanistan
我在伊拉克和阿富汗每天都在碰到这样的例子
A young Army officer makes a decision to go left
一位年轻的军官决定往左走
instead of right down a road in Baghdad
而不是朝巴格达的道路直走
and the ten soldiers with his are saved from close-in ambush
十位战士就因此免受了敌人的伏击
In Kandahar province, Afghanistan
在阿富汗坎大哈省
a non-commissioned officer from the Female Engagement Team senses something isn't right
来自女性战斗小队的一位士官察觉到了异常
and directs the infantry platoon away from a 500 pound IED
指挥步兵小组远离了一颗500磅的IED炸弹
saving the lives of a dozen soldiers
这就挽救了十多位士兵的生命
But, if you think about it
想想这些
not only were these soldiers saved by the decisions of one person
一个人的决策并不是只挽救了这些士兵的生命
but their children were saved and their children's children
他们的子女也会由此得救 还有他们子女的子女
Generations were saved by one decision of one person
一个人的一个决定 就挽救了数代人
But changing the world can happen anywhere and anyone can do it
任何人 在任何地方 都可以改变世界
So, what starts here can indeed change the world
从这里开始 我们确实能够改变世界
but the question is, what will the world look like after you change it?
不过问题是 世界被改变后 会变成怎样