[Alexander] Grothendieck devoted himself to a new project, Survivre et Vivre, which aimed to save the planet and the human species. He was particularly drawn to Arthur Koestler’s language about “sleepwalking toward Armageddon,” and he described scientists and mathematicians as the most dangerous people on the planet, because they carelessly put destructive technological power in the hands of politicians.

– The Mysterious Disappearance of a Revolutionary Mathematician