"The highest possible stage in moral culture is when we recognize that we ought to control our thoughts." -- The Descent of Man, Ch. 4.
Works of Charles Darwin On-line
- The Descent of Man [Text at vt.edu]
- The Origin of Species [Html at Wonderland] [Text at vt.edu]
- The Voyage of the Beagle [Html at Wonderland] [Text at Wiretap]
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