What is common?

Famous quotes containing the word common:

“It is darker in the woods, even in common nights, than most suppose.”
—Henry David Thoreau (1817–1862)

“All men whilst they are awake are in one common world: but each of them, when he is asleep, is in a world of his own.”
—Plutarch (46–120)

“Education is the point at which we decide whether we love our children enough not to expel them from our world and leave them to their own devices, not to strike from their hands their chance of undertaking something new—but to prepare them in advance for the task of renewing a common world.”
—Hannah Arendt (20th century)