Stephen Henderson

“Nuclear weapons were a discontinuous change in human power. At Hiroshima, a single bomb did the damage of thousands. And six years later, a single thermonuclear bomb held more energy than every explosive used in the entire course of the Second World War.43”
― Toby Ord, The Precipice: Existential Risk and the Future of Humanity

“This innate structure, this latent structure, is not fully developed at birth, nor is it too obvious at the age of eighteen months. But then, suddenly, and in the most dramatic way, the developing child becomes open to language, becomes able to construct a grammar from the utterances of his parents. He shows a spectacular ability, a genius for language, between the ages of twenty-one and thirty-six months”
― Oliver Sacks, Seeing Voices

“Trace the contours of your face with a soapy finger on the bathroom mirror (it is easily done by closing one eye). There is a shock waiting: the image which looked life-size has shrunk to half-size, like a headhunter's trophy. A person walking away does not seem to become a dwarf -- as he should; a black glove looks just as black in the sunlight as in shadow -- though it should not;”
― Arthur Koestler, The Act of Creation

“The controls of a skilled activity generally function below the level of consciousness on which that activity takes place. The code is a hidden persuader. This applies not only to our visceral activities and muscular skills, but also to the skill of perceiving the world around us in a coherent and meaningful manner.”
― Arthur Koestler, The Act of Creation