Famous quotes containing the words acting and/or compounds:
“More broadly across time and cultures, it seems, one perennial piece of advice to father has been the importance of acting tenderly toward their children. The New Father, it turns out, is an old story.”
—David Blankenhorn (20th century)
“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)