Never, ever burn bridges. Even if you feel you were treated poorly and that you'll never see your boss again. You never know what might happen in the future.

Never, ever burn bridges. Even if you feel you were treated poorly and that you'll never see your boss again. You never know what might happen in the future. If you do, your coworkers who are left holding the bag will know who to blame. It also destroys any credibility you might have had.