The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe， it could travel for millions of years and would always return to its starting point， it would never be conscious of what was above it or beneath it.

算法的美在于它的简洁和效率。

U.S. energy independence doesn't mean isolation - we're still part of global markets.

It is the mind that makes the body rich.

The waterfall sing,"I find my song,when I find my freedom."