[Question]
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It is often said, that all programmers should be able to write a "hello world" program in any programming language after a few glances on that language (And [quicksort](https://codegolf.stackexchange.com/questions/2445/implement-quicksort-in-brainf) after a few more glances).
As the [Conway's Game of Life](http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life) is Turing complete (so it qualifies as a general-purpose programming language), the problem is self-explanatory: 
Create a "Hello World!" application using only Conway's Game of Life!
The only valid entry is an **initial state** for the Conway's Game of Life, which:
* **does not contain** any recognizable shape resembling the text "Hello World!"
* **will contain** a recognizable shape resembling the text "Hello World!" within a reasonable number of cycles (it should not run for more than a couple of minutes on a good PC - this enables billions of cycles and should be enough)
* the area where the "Hello World!" text will appear **should be empty** in the initial state! (Otherwise the problem would be way too easy) If no one manages to do it, we might reduce this requirement to "mostly empty"
**Scoring:**
**The winner will be based on the number of upvotes in approximately one week after the first valid submission.** 
Guidelines for voting:
* more elaborate and beautiful output should be worth more
* output which is stable over many cycles should be worth more than one which fades away to be unrecognizable in the next cycle.
* a solution locked into a perpetual cycle, or starting from an interesting pattern is worth the most, because it proves intelligent design of the state, and not just random trial and error with a reverse simulation.
**The entry should be in a format readable by at least one of the [notable simulators](http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life#Notable_Life_programs) or an online simulator which the answerer links to. Links (to an animation or a simulator set to the initial state) are also accepted, even encouraged. If the output is not visible within a few cycles, the entry should specify after which cycle will the result be visible.**
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***Edit:***
There can be some slight tolerance in the phrase to be generated. It can be "`Hello, World!`", "`hello, world`" "`HELLO WORLD!`" etc.
  
[Answer]
My first attempt to this, a relatively simple solution. It fires a couple of glider barrels. Each pair of gliders turns into a block, which then form the text. This process takes about 16000 generations (you can set a frame skip or use the superstep button in my simulator).
[Direct Link](http://copy.sh/life/?pattern=hello_world_copy). Move around with right mouse, zoom with mouse wheel.
[Link to .rle file (also works with Golly)](http://copy.sh/life/examples/hello_world_copy.rle)
Image of the pattern 32:1:
![Image of the pattern 32:1](https://i.stack.imgur.com/WcCcs.png) 
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