Human
Humans (Homo sapiens) are primates of the family Hominidae, and the only extant species of the genus Homo. They originated in Africa, where they reached anatomical modernity about 200,000 years ago and began to exhibit full behavioral modernity around 50,000 years ago.
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Famous quotes containing the word human:
“Mathematics alone make us feel the limits of our intelligence. For we can always suppose in the case of an experiment that it is inexplicable because we don’t happen to have all the data. In mathematics we have all the data ... and yet we don’t understand. We always come back to the contemplation of our human wretchedness. What force is in relation to our will, the impenetrable opacity of mathematics is in relation to our intelligence.”
—Simone Weil (1909–1943)
“He had much industry at setting out,
Much boisterous courage, before loneliness
Had driven him crazed;
For meditations upon unknown thought
Make human intercourse grow less and less....”
—William Butler Yeats (1865–1939)
“Custom, then, is the great guide of human life. It is that principle alone, which renders our experience useful to us, and makes us expect, for the future, a similar train of events with those which have appeared in the past.”
—David Hume (1711–1776)