Source: You Get So Alone at Times That it Just Makes Sense
Quotes about doorbell
A collection of quotes on the topic of doorbell, ring, thinking, door.
Quotes about doorbell
“The more Susan waited, the more the doorbell didn't ring. Or the phone.”
Source: Dirk Gently's Holistic Detective Agency
The on-air statement he gave at the end of "The War of the Worlds" broadcast, October 30, 1938.
“Opportunity only knocks once, but temptation leans on the doorbell.”
Attributed quotes
“Democracy means that if the doorbell rings in the early hours, it is likely to be the milkman.”
Widely quoted and attributed, but without a documented source.
Disputed
Het stomende dubbelinterview: Natalia en Anastacia http://www.humo.be/humo-archief/29756/het-stomende-dubbelinterview-natalia-en-anastacia, Humo, September 27, 2010.
General Quotes
“[After the doorbell rings, right before Secretariat appears] Who's that at the door?!”
citation needed
The Late Late Show with Craig Ferguson (2005–2014), Commonly repeated