Never trust in who despises a person only because of his nationality, as if all the people of a country was equal.
Never trust in who doesn't allow you to express your ideas, your opinions, your suggestions, your freedom, your wishes of courage, your proposals... Leave the places where your freedom of speech doesn't exist.
Never shut up, never resign to keep quiet. Manu Chao says that resignation is a daily suicide.
Be free. Proclaim you are free to walk, to travel, to speak, to think, to write, to create, to dream, to hope, even to bother those who hates the freedom of the words.
The only boundary is the respect to the person, to the dignity of the person.
The only rule we must obey is the habit of telling the things in a way that respects the dignity of every person.