so true and many do not learn it, words exert an unimaginable power either for better or for worse, outside there are people who could have a different life, but they heard so many times that they were useless and today they are immersed in letting us know, thank you to the repetitiveness of a word ... however, many who were instilled with the word success and have another story to tell ... that our mouths learn to say positive words. what a good article congratulations.