"For me, the key is I always have to be the same person.If someone was to hear me say something on Fox and hear me say something different on NPR, they would say, 'The guy is a hypocrite.'"

Juan Williams is emphasizing the value of consistency in his quote. He is recommending that if he were to state something on Fox News that opposed something he said on NPR, individuals would view him as a hypocrite. This indicates that he values being consistent in his beliefs and viewpoints, which he does not want to be seen as someone who alters their views depending upon the situation. He thinks that it is important to stay true to oneself and to be constant in one's words and actions. This quote is a pointer that it is essential to be consistent in our beliefs and viewpoints, and to not change them depending upon the circumstance.