Human Behavior Quotes

"I have found little that is 'good' about human beings on the whole." "The first human who hurled an insult instead of a stone was the founder of civilization." "When people are like each other they tend to like each other." "There is no expedient to which a man will not go to avoid the labor of thinking." "As long as you know men are like children, you know everything" "The proper study of mankind is man" "You can fool some of the people all of the time, and all of the people some of the time, but you can not fool all of the people all of the time."