Famous quotes containing the words source and/or signal:
“The family: I believe more unhappiness comes from this source than from any other—I mean the attempt to prolong family connection unduly, and to make people hang together artificially who would never naturally do so.”
—Samuel Butler (1835–1902)
“The experience of a sense of guilt for wrong-doing is necessary for the development of self-control. The guilt feelings will later serve as a warning signal which the child can produce himself when an impulse to repeat the naughty act comes over him. When the child can produce his on warning signals, independent of the actual presence of the adult, he is on the way to developing a conscience.”
—Selma H. Fraiberg (20th century)