There are days when I like to talk a lot and end up having long monologues but compared to those guys I'm just a quiet girl. 50 greatest movie monologues are fantastic and inspirational. It is a must watch. You can read about the monologues and watch them here The 50 Greatest Movie Monologues
One of my favorite is from The Great Dictator by unforgettable Charlie Chaplin
"Our knowledge has made us cynical; our cleverness, hard and unkind. We think too much and feel too little. More than machinery, we need humanity. More than cleverness, we need kindness and gentleness."