我们生活在梦里还是真实存在？霍金微博给出答案

IT之家讯 4月28日消息，前不久，英国著名理论物理学家史蒂芬霍金开通个人微博，瞬间吸粉超百万，成为“宇宙级网红”。除了围观之外，有不少网友就物理学宇宙学相关问题向霍金提问，今天上午，霍金就特意发微博回答了一位网友的提问。

微博原文如下：

谢谢你们大家留下的出彩的评论和问题！我很感激通过这样的机会和微博上的朋友们交流。

评论里的一个问题：

“中国古代有个哲学家叫庄子。'昔者庄周梦为蝴蝶'，梦醒后，庄周不知是他梦为蝴蝶，还是蝴蝶梦为庄周。霍金教授，请问我们如何知道我们是生活在梦里还是真实存在？”

谢谢你的问题！庄周梦蝶也许是因为他是个热爱自由的人。换做我的话，我也许会梦到宇宙，然后困惑是否宇宙也梦到了我。来回答你的问题：“我们如何知道我们是生活在梦里还是真实存在？”well,我们不知道，也许也无法知道！这个问题至少要等到我们开始深刻地了解意识和宇宙时才可知。我们必须要孜孜不倦地探索关于存在的基本命题，只有这样，我们也许才会知道蝴蝶(或宇宙)是真实存在，还是只存在于我们的梦里。

- SH

Thank you for all of your fascinating comments and questions! I appreciate the opportunity to correspond with my friends on Weibo。

A question from the comments:

"There is a story about an ancient Chinese philosopher, Zhuangzi. Zhuangzi dreamt of becoming a butterfly. And he wondered if he was a man who dreamt of being a butterfly or a butterfly that dreamt of being a man. Prof. Hawking, how do we know if we are living in our dreams or reality?”

Thank you for your question! Zhuangzi dreamt of being a butterfly - perhaps because he was a man who loved freedom. I might dream of the universe and then wonder if the universe dreamt of me. To answer your question how do we know if we are living in our dreams or reality - well, we just don't and perhaps can't! At least not until we start to understand more about consciousness and the universe. We must keep striving for an understanding of the fundamental questions of existence. And then perhaps we will know whether the butterfly - and the universe - are real or just in our dreams. -SH

微信搜索“IT之家”关注抢6s大礼！下载IT之家客户端（戳这里）也可参与评论抽楼层大奖！