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:
“The goal in raising one’s child is to enable him, first, to discover who he wants to be, and then to become a person who can be satisfied with himself and his way of life. Eventually he ought to be able to do in his life whatever seems important, desirable, and worthwhile to him to do; to develop relations with other people that are constructive, satisfying, mutually enriching; and to bear up well under the stresses and hardships he will unavoidably encounter during his life.”
—Bruno Bettelheim (20th century)
“A tree is beautiful, but what’s more, it has a right to life; like water, the sun and the stars, it is essential. Life on earth is inconceivable without trees. Forests create climate, climate influences peoples’ character, and so on and so forth. There can be neither civilization nor happiness if forests crash down under the axe, if the climate is harsh and severe, if people are also harsh and severe.... What a terrible future!”
—Anton Pavlovich Chekhov (1860–1904)
“I have heard a good many pretend that they are going to die; or that they have died, for aught that I know. Nonsense! I’ll defy them to do it. They have n’t got life enough in them.... Only half a dozen or so have died since the world began.”
—Henry David Thoreau (1817–1862)