- Today is the only day we have. Let's live in today. How to Stop Worrying and Start Living
- Genuinely be interested in other people. How to Win Friends and Influence People
- If you have a lemon, make lemonade. How to Stop Worrying and Start Living
- Smile. How to Win Friends and Influence People
- Don't let small things ruin your happiness. How to Stop Worrying and Start Living
- Remember that a person's name is the sweetest and most important sound in any language. How to Win Friends and Influence People
- Remember, happiness doesn't depend on who you are or what you have; it depends solely on what you think. How to Stop Worrying and Start Living
- Be a good listener. Encourage others to talk about themselves. How to Win Friends and Influence People