“A man shut up between four walls soon loses the power to associate words and ideas together. How many prisoners in solitary confinement become idiots, if not mad, for want of exercise for the thinking faculty!”
More from Jules Verne
“An energetic man will succeed where an indolent one would vegetate and inevitably perish.”
“Man is never perfect, nor contented.”
“Before all masters, necessity is the one most listened to, and who teaches the best.”
“We cannot prevent equilibrium from producing its effects. We may brave human laws, but we…”