
“Nowadays people know the price of everything and the value of nothing.”
Lord Darlington, Act III.
Lady Windermere's Fan (1892)
Variant: What is a cynic? A man who knows the price of everything and the value of nothing.
Source: The Picture of Dorian Gray
Context: A man who knows the price of everything and the value of nothing. [Answering the question, what is a cynic? ]