Leonardo

“When the police kill unarmed black suspects, those deaths are associated with a significant dip in the mental health of blacks across the entire state where those killings occurred.”
― Jennifer L. Eberhardt, Biased: Uncovering the Hidden Prejudice That Shapes What We See, Think, and Do

“To grasp how different a million is from a billion, think about it like this: A million seconds is a little under two weeks; a billion seconds is about thirty-two years.”
― Steven H. Strogatz, Infinite Powers: How Calculus Reveals the Secrets of the Universe – A Revolutionary History from Ancient Greece to Modern Technology

“In mathematical modeling, as in all of science, we always have to make choices about what to stress and what to ignore. The art of abstraction lies in knowing what is essential and what is minutia, what is signal and what is noise, what is trend and what is wiggle. It's an art because such choices always involve an element of danger; they come close to wishful thinking and intellectual dishonesty.”
― Steven Strogatz, Infinite Powers: How Calculus Reveals the Secrets of the Universe

“The Romans knew about India, but were unaware of the Far East until the first century BC when silk began to reach the Mediterranean through the Parthian Empire which ruled in ancient Iran.”
― Raoul McLaughlin, The Roman Empire and the Silk Routes: The Ancient World Economy & the Empires of Parthia, Central Asia & Han China