ECO 2030. Principles of Economics-Price Theory
- "You can't compare apples and oranges"
- "Don't throw good money after bad"
is no such thing as a free lunch"
- "If it is not worth doing
right, it is not worth doing at all"
- "Money can't buy happiness."
[In the words of
Smith: It is not from the benevolence of the butcher,
the brewer, or the baker that we expect our dinner, but from their regard to
their own interest. We address ourselves, not to their humanity but to their
self-love, and never talk to them of our own necessities but of their