There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

我们有理由谨慎乐观地认为，我们对自然终极规律的探索可能已经接近尾声。

-- Stephen Hawking 斯蒂芬霍金