Sentence examples for once exist from inspiring English sources

Safer hypodermic needles that can only be used once exist.

Many network executives said last week that such an attitude did once exist and that today's lead anchors were products of those times.

Oddly, it did once exist in that form: in the first trailer, shown months ago, which featured no talking at all, and no shouting, either — just a silent montage of mayhem, overlaid with the twang of a plaintive electro-soundtrack.

The feeling that today's Jews are but pale reflections of a truer, authentic Jewish life; the feeling that Jewish greatness did once exist, but it was long ago; the feeling that some distant place and not the here-and-now was and is the authentic Jewish home -- those feelings do somehow spring up irrepressibly in the Jewish soul.

"One can hardly believe that a reasonable man can cling so tenaciously to such prejudice," he wrote to the National Urban League's executive director, Lester B. Granger, in 1946, "and there is sure to come a time in which schoolchildren in their history lessons will laugh about the fact that something like this did once exist".

ExoMars, which could be launched in 2013, would use a rover to search for vital signs or, failing those, for evidence that life did once exist there.That Europe would ever send astronauts to Mars independently of America seems unlikely, although ESA has refused to rule it out altogether.

It created a forest where tidal mudflats had once existed.

We know that they once existed because Long photographs them.

Death erases all traces, all memories of lives that once existed, completely and for ever.

Did they all belong to the Buddhist temple that once existed at the site?

Where 130 once existed, only about nine remain, some four and five stories high.