Life
Life (cf. biota) is a characteristic that distinguishes objects that have signaling and self-sustaining processes from those that do not, either because such functions have ceased (death), or else because they lack such functions and are classified as inanimate. Biology is the science concerned with the study of life.
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Famous quotes containing the word life:
“A thoroughbred business man cannot enter heartily upon the business of life without first looking into his accounts.”
—Henry David Thoreau (1817–1862)
“Life on board a pleasure steamer violates every moral and physical condition of healthy life except fresh air.... It is a guzzling, lounging, gambling, dog’s life. The only alternative to excitement is irritability.”
—George Bernard Shaw (1856–1950)
“I, for one, have never in my life come across a perfectly healthy human being.”
—Thomas Mann (1875–1955)