“Key rings rattle throughout history. Each key, each lock has its tale.”

“All along the street, keys rattle in key-holes as each shop's ornate metal clothing is stripped away...It's as if, having unlocked the chastity of shutters and doors, they can't see the point in maintaining any shred of modesty.”

“Putting food under lock and key was one of the great innovations of your culture. No other culture in history has ever put food under lock and key - and putting it there is the cornerstone of your economy.[...] Because if the food wasn't under lock and key, Julie, who would work?”

“I have heard the key Turn in the door once and turn once only We think of the key, each in his prison Thinking of the key, each confirms a prison”

“A bit beyond perception's reach I sometimes believe I see that life is two locked boxes each containing the other’s key.”

“Verily, knowledge is a lock and its key is the question.”