BEIJING£¬ April 29 (Xinhua) -- Does the man dream that he is a butterfly or is the butterfly dreaming that he is a man: Can we really tell our dreams from reality?

This question£¬ asked by a netizen on China's most popular microblog site Weibo on Thursday£¬ was directed at the official account of world-renowned British theoretical physicist Stephen Hawking.

Hawking replied£¬ "We don't or perhaps can't."

The question was discussed by influential ancient Chinese philosopher Zhuangzi£¬ who was known for his philosophy of skepticism. It was Zhuangzi who had dreamed of being a butterfly£¬ or perhaps it was the butterfly who dreamed he was Zhuangzi. Either way£¬ it has been the starting point for discussions on reality£¬ self£¬ illusions and more for over 2£¬000 years.

In his fourth posting on the microblog£¬ Hawking£¬ who has 3.6 million followers on Weibo -- more than the population of Wales -- selected the question from comments left on his previous updates.

"Zhuangzi dreamed of being a butterfly -- perhaps because he was a man who loved freedom£¬" he said.

Hawking said£¬ in his case£¬ he might dream of the universe and wonder if the universe dreamed of him£¬ "but we humans just don't and perhaps can't know if we are living in our dreams or reality£¬ at least not until we start to understand more about consciousness and the universe."

The era in which Zhuangzi lived is considered by many Chinese thinkers to be a time "when a hundred schools of thought contended."

Chinese philosophers argue that Dao (the Way)£¬ from which Daoism gets its name£¬ is the most indefinable of them all.

The Way of the universe is change: Night into day£¬ joy into sorrow£¬ life into death. Nothing is fixed£¬ nothing definable. Moreover£¬ everything is connected. No one knows where the Way leads.

Over 40£¬000 web users had commented on or forwarded the post within 24 hours of it being published. One follower said Hawking's answer was "a historic conversation."

Since Hawking opened his Sina Weibo account on April 12£¬ his four posts have been forwarded 572£¬000 times£¬ received 620£¬000 comments and been liked by over two million users.

In a previous post£¬ Hawking introduced his Chinese followers to his latest project -- Alpha Centauri£¬ an astonishing space mission to our nearest star system.

Hawking said that the project£¬ a collaboration with Russian venture capitalist Yuri Milner and Facebook CEO Mark Zuckerberg£¬ would revolutionize space travel as it would use tiny nano-spacecraft able to travel fast enough to relay information to humans within a life time. It means humans would learn more about the galaxy£¬ and ultimately themselves.

There are really no 'dress codes' on cruise ships but more like guidelines to assist you in bringing the right items. Having traveled with a spouse and two teen age daughters Authentic Terrell Edmunds Jersey , this writer is, however Authentic Maurkice Pouncey Jersey , painfully aware of the cruise shoe formula which is take the number of cruise days and multiply by 5. How else could one possibly pack 35 pairs of shoes for a one week voyage?

But seriously, less is often more on a cruise. The style of ship you have selected usually dictates the way that passengers dress. The shorter and less expensive cruises skew toward very casual and the longer cruises on luxury ships tend to be more formal.

Speaking of formal Authentic Cameron Heyward Jersey , most cruise ships have at least one gala night where passengers generally dress their best. Does this mean tuxedos and evening gowns? Yes, you will find these in evidence on longer cruises but the trend is to allow more freedom of choice on ships and this translates to dress guidelines that suggest instead of require formal wear. The dark suit or even sport jacket and tie seems to be edging out the tuxedo and dinner jacket. And even on gala night most ships offer an alternate dining venue for people who just plain refuse to dress up.

The best place to get some hints as to the suggested dress on board is in the Welcome Aboard materials provided by the cruise lines prior to your trip. But again Authentic Ben Roethlisberger Jersey , keep in mind that these are created to cover broad a spectrum of diverse guests.

In almost all cases, shorts Authentic JuJu Smith-Schuster Jersey , bathing suits and t-shirts are banned from the main dining room at dinner time. Ladies should remember to bring a sweater or shawl because the public rooms may be chilly. A folding umbrella is always a good idea.


Ashore, clothing suggestions depend a lot on what part of the world you are in. In the tropics Authentic James Conner Jersey , shorts, t-shirts and jeans (basically everything you are not supposed to wear in the ship's dining room) are fine ashore in the tropics. In Europe and Asia Authentic T. J. Watt Jersey , travelers tend to be more conservative. And if your shore excursions include a visit to a cathedral or house of worship, bare shoulders or abbreviated wear for the ladies may result in denied entry.

The shore excursion or purser desk staff can provide specific guidance on board. And always check to see that at least one pair of those 35 pairs of shoes are COMFORTABLE WALKING SHOES. Navigating the stairway of the Sistine Chapel in stiletto heels would be an excursion of its own!

When packing Authentic Le'Veon Bell Jersey , again, less is more for a cruise. Most first time cruisers report back that they used about half of what they brought. Veteran cruisers try to see how little baggage they can get away with. Somewhere in between will probably work for you.

Most of the medium to larger ships offer laundry and pressing service. And some of them have self-service laundry facilities (although we do not think most people consider doing laundry a fun vacation event.) Take a lot of mix and match clothes based on the length and style of your cruise.

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