"Humankind does not live by bread alone but also by catchphrases."  From
"Real Work" by Abraham Zaleznik, HBR Nov/Dec 1997


"The ability to quote is a serviceable substitute for wit." 
W. Somerset Maugham 

"What's the use of a good quotation if you can't change it?" - The Doctor ---

"By necessity, by proclivity, and by delight, we all quote. In fact, it is as difficult to appropriate the
thoughts of others as it is to invent." (R. Emerson)