Famous quotes containing the words fourth and/or mission:
“I asked my mother for fifty cents
To see the elephant jump the fence.
He jumped so high he reached the sky,
And didn’t get back till the Fourth of July.”
—Unknown. I Asked My Mother (l. 1–4)
“We can come up with a working definition of life, which is what we did for the Viking mission to Mars. We said we could think in terms of a large molecule made up of carbon compounds that can replicate, or make copies of itself, and metabolize food and energy. So that’s the thought: macrocolecule, metabolism, replication.”
—Cyril Ponnamperuma (b. 1923)