Incerto 4-Book Bundle: Fooled by Randomness, The Black Swan, The Bed of Procrustes, Antifragile

by Nassim Nicholas Taleb

Hydra, in Greek mythology, is a serpent-like creature that dwells in the lake of Lerna, near Argos, and has numerous heads. Each time one is cut off, two grow back. So harm is what it likes. Hydra represents antifragility.