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The meaning and origin of the expression: That's one small step for a man, a giant leap for mankind

That's one small step for a man, a giant leap for mankind

What's the meaning of the phrase 'That's one small step for a man, a giant leap for mankind'?

These were Neil Armstrong's words on first setting foot on the moon in 1969. The line is a strong contender as the most famous ever to have been uttered.

What's the origin of the phrase 'That's one small step for a man, a giant leap for mankind'?

One small step for man, a giant leap for mankind.Armstrong's words are sometimes given as, "That's one small step for man, one giant leap for mankind." Clearly the event was of huge significance and the choice of words was quite deliberate. Armstrong maintained for some time later that he said "for a man" rather than "for man". That line was what he, with the help of his wife, had prepared in advance. The rather fuzzy tapes of the event aren't clear enough to be sure, although the 'a' does appear to be missing.

In more recent years, after listening again to the recording, Armstrong has acknowledged that he may have fluffed his line. More recently still, analysis of the tape indicates that the 'a' may have be present on the recording but is too indistinct to hear.

Other 'One' phrases:

One-hit wonder
One fell swoop - At
One for the road
One foot in the grave
One over the eight
One sandwich short of a picnic
One stop shop
One swallow doesn't make a summer

Gary Martin - the author of the phrases.org.uk website.

By Gary Martin

Gary Martin is a writer and researcher on the origins of phrases and the creator of the Phrase Finder website. Over the past 26 years more than 700 million of his pages have been downloaded by readers. He is one of the most popular and trusted sources of information on phrases and idioms.

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