Self Interest Quotes

The bourgeoisie, wherever it has got the upper hand, has put an end to all feudal, patriarchal, idyllic relations. It has pitilessly torn asunder the motley of ties that bound man to his "natural superiors," and left remaining no other nexus between man and man than naked self-interest, than callous cash payment.

There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.