Be respectful to your superiors, if you have any; also to strangers, and sometimes to others. If a person offends you, and you are in doubt as to whether it was intentional or not, do not resort to extreme measure; simply watch your chance and hit him with a brick. That will be sufficient. If you shall find that he had not intended any offense, come out frankly and confess yourself in the wrong when you struck him; acknowledge it like a man, and say you didn't mean to.
- Advice to Youth, 5/15/1882 (Mark Twain)