Famous quotes containing the words cast and/or copies:
“When such as I cast out remorse
So great a sweetness flows into the breast
We must laugh and we must sing,
We are blest by everything,
Everything we look upon is blest.”
—William Butler Yeats (1865–1939)
“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)