You can tell the character of a person by what they do.No matter what you hear them say go by what they do. Action really does speak louder than words. Read: Matthew 7:16-20 (click on link below and read verses 16 through 20).
http://bibleresources.bible.com/passagesearchresults2.php?passage1=Matthew+7&book_id=47&version1=51&tp=28&c=7