能够使我们成为现在的我们的唯一因素将是对类似我们的东西的感知。
The only thing that could make us what we are would be a perception of something like us.
The best way to predict the future is to create it.
You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.
A mind needs books like a sword needs a whetstone.