Famous quotes containing the words signal and/or source:
“By day thy warning ringing bell to sound its notes,
By night thy silent signal lamps to swing.”
—Walt Whitman (1819–1892)
“By poeticizing love, we imagine in those we love virtues that they often do not possess; this then becomes the source of constant mistakes and constant distress.”
—Anton Pavlovich Chekhov (1860–1904)