What your foes do derives its significance or consequence from the way you react.
Kunta Kinte's strength derives from the knowledge of where he comes from, but it struck me that I don't know where I come from. I understand that my last name is Kirby, that I was born in London, third-generation Jamaican, and at some point along the line, that name was changed. I didn't know my history past my grandparents.
Today, people call each other 'guys' - this derives from Guy Fawkes, the bomb-making terrorist. No greater tribute has ever been paid to anyone in the history of politics.
Exposing police lying is difficult largely because it is rare for the police to admit their own lies or to acknowledge the lies of other officers. This reluctance derives partly from the code of silence that governs police practice and from the ways in which the system of mass incarceration is structured to reward dishonesty.
Two hundred years ago, our Founding Fathers gave us a democracy. It was based upon the simple, yet noble, idea that government derives its validity from the consent of the governed.
A large part of the income of the 'Big 5' accountancy and consultancy firms derives from tax avoidance schemes which flourish in the name of tax planning. Their legality has agitated courts in India and abroad for a long time.
Danzon is my favorite Cuban music, played by a traditional string orchestra with flute and piano. It's very formally structured but romantic music, which derives from the French-Haitian contradance.
The sun derives its energy from fusion reactions in which hydrogen is transformed into helium.
Man's striving for order, of which art is but one manifestation, derives from a similar universal tendency throughout the organic world; it is also paralleled by, and perhaps derived from, the striving towards the state of simplest structure in physical systems.