When you have something to say, you should take time to think before you speak.Don't just say it right away. You need to make sure your words are true.Never share wrong information. You should also try your best to be kind and not to hurt others. What's more, say what is necessary, and you won't make problems for yourself. When communicating, think about other people's feelings. It is also important not to use bad words, for nobady likes hearing them. If you don't like your words, just keep quiet.
Remember, once you say something, you can't take it back.