the art of speaking

Recently i am obsessed in an variety show named miracle speech.And i begin to think deeply about speaking.speaking is really An art especially when u get to work.it is not always forgiveful when u said wrong words without thinking a lot.i think it's common that beauties is bad at speaking,because in some way,they are easy to be adapted by others even if they say wrong wirds.but it's ture that if u are good at speaking,u are more likely to succeed.but how to exercise us to be more good at speaking.firstly,u should dare to make change.be clear with what kind of person u really want to be.