Stone tools are fossilized human behavior.
Interpretation
This quote emphasizes that stone tools are not merely objects but represent the actions and behaviors of early humans.
Louis Leakey's quote suggests that the study of stone tools provides profound insights into the behavior, culture, and evolution of early humans. By analyzing these artifacts, we can uncover not just the physical aspects of human life but also the cognitive and social developments that characterized our ancestors' existence.
In practice
In a lecture on human evolution, one might use this quote to highlight the significance of archaeological findings.
Nearly all inventions are not recognised for their positive side either when they're made. So, for example, scientists didn't go out to design a CD machine: they designed a laser. But we got all sorts of things from a laser which we never remotely imagined, and we're still finding things for a laser to do.
Science, my lad, has been built upon many errors; but they are errors which it was good to fall into, for they led to the truth.
Most discoveries even today are a combination of serendipity and of searching.
Almost everything that distinguishes the modern world from earlier centuries is attributable to science, which achieved its most spectacular triumphs in the seventeenth century.
The world little knows how many of the thoughts and theories which have passed through the mind of a scientific investigator, have been crushed in silence and secrecy by his own severe criticism and adverse examination!
Testing shows the presence, not the absence of bugs.
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