Famous quotes containing the words air and/or warning:
“He who will one day teach men to fly will have displaced all boundary stones; the boundary stones themselves will fly up into the air to him, and he will rebaptize the earth—as “the weightless.””
—Friedrich Nietzsche (1844–1900)
“By day thy warning ringing bell to sound its notes,
By night thy silent signal lamps to swing.”
—Walt Whitman (1819–1892)