把这一句，留给此刻的你

Now, here, you see, it takes all the running you can do, to keep in the same place. If you want to get somewhere else, you must run at least twice as fast as that !

现在，在这里，你看，你要尽你所能地跑，才能保持在同一个地方。如果你想去别的地方，你必须至少以那个速度跑两倍!

— Lewis Carroll 刘易斯·卡罗尔