He says we do not want to have a mob that can turn violent, that is beyond the control of demonstration leaders.

VOA: standard.2009.03.15

"The important achievement of Apollo was a demonstration that humanity is not forever chained to this planet, and our visions go rather further than that and our opportunities are unlimited,".

VOA: standard.2009.07.16

It was very clear this was not a demonstration.

WHITEHOUSE: The White House

As a matter of fact, this project was really not a demonstration of the cutting-edge technology we have developed, but rather a true demonstration of what the blind can achieve with just a little bit of help from technology.

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"It has to be not only a demonstration of efficacy, Barter says, "but also that there is no harm.

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