Good faith is the consciousness of having done something, that is, with legitimate means, the best of wills and no intention of harming anyone. It is act in front, no laps or shortcuts, directly and with the conviction of doing it well. What is the difference between good and bad faith? The answer is very simple, acting in good faith is to act with ethics and responsibility, in accordance with the rules and looking for ease and mutual benefit. Proceeding in bad faith is to operate with intent hidden, usually bad, lie and false appearances.Having bad faith is to hide when you have to give the face, and have good faith is, therefore, to face even when prudence suggests that it is best to hide.