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:
“For my part, I would rather look toward Rutland than Jerusalem. Rutland,—modern town,—land of ruts,—trivial and worn,—not too sacred,—with no holy sepulchre, but profane green fields and dusty roads, and opportunity to live as holy a life as you can, where the sacredness, if there is any, is all in yourself and not in the place.”
—Henry David Thoreau (1817–1862)
“What is the foundation of that interest all men feel in Greek history, letters, art and poetry, in all its periods from the Heroic and Homeric age down to the domestic life of the Athenians and Spartans, four or five centuries later? What but this, that every man passes personally through a Grecian period.”
—Ralph Waldo Emerson (1803–1882)
“Innocence is lovely in the child, because in harmony with its nature; but our path in life is not backward but onward, and virtue can never be the offspring of mere innocence. If we are to progress in the knowledge of good, we must also progress in the knowledge of evil. Every experience of evil brings its own temptation and according to the degree in which the evil is recognized and the temptations resisted, will be the value of the character into which the individual will develop.”
—Mrs. H. O. Ward (1824–1899)