I don't need a friend who changes when I change and who nods when I nod, my shadow does that much better.
PlutarchThere are few things in which we deceive ourselves more than in the esteem we profess to entertain for our firends. It is little better than a piece of quackery. The truth is we think of them as we please that is as they please or displease us.
William HazlittThe reason why so few people are agreeable in conversation is that each is thinking more about what he intends to say than others are saying.
Francois de La Rochefoucauld