_:ITQBPygX1401. . . . . . . "A little cooling down of animal excitability and instinct, a little loss of animal toughness, a little irritable weakness and descent of the pain-threshold, will bring the worm at the core of all our usual springs of delight into full view, and turn us into melancholy metaphysicians."@en. "Source: Freebase - The World's database". _:ITQBPygX1401 . _:ITQBPygX1401 "26346".