Assuming good faith is a principle practiced on most wikis, including Wikipedia and Wikia. It is the assumption that editors' edits and comments are made in good faith. Most people try to help a project, not hurt it. If this weren't the case, the idea of a "wiki" would be doomed from the very beginning. When assuming good faith, remain cool, calm, and polite when disagreements occur. Refrain from edit warring and flaming users, and work the issue out via discussion. Come to a consensus that everyone can walk away from feeling satisfied.