“12 Rules for Life: An Antidote to Chaos” is a self-help book written by Canadian clinical psychologist and psychology professor Jordan Peterson. The book offers advice on how to live a meaningful life, drawing on a wide range of sources including religious texts, scientific studies, and personal anecdotes.

1. Stand up straight with your shoulders back. Peterson argues that good posture can improve confidence, reduce anxiety, and even make you more successful.
2. Treat yourself like someone you are responsible for helping. Peterson encourages readers to take care of themselves and treat themselves with kindness and compassion.
3. Make at least one thing better every single day. Peterson argues that small, incremental improvements can lead to big changes over time.
4. Compare yourself with who you were yesterday, not with who someone else is today. Peterson encourages readers to focus on self-improvement rather than comparing themselves to others.
5. Do not let your children do anything that makes you dislike them. Peterson argues that setting boundaries and enforcing consequences can help children develop self-discipline and responsibility.
6. Set your house in perfect order before you criticize the world. Peterson encourages readers to take responsibility for their own lives and fix their own problems before trying to change the world.
7. Pursue what is meaningful (not what is expedient). Peterson encourages readers to focus on things that have deep personal significance and to avoid superficial pursuits.
8. Tell the truth or, at least, don’t lie. Peterson argues that honesty is essential for building trust and maintaining healthy relationships.
9. Assume that the person you are listening to might know something you don’t. Peterson encourages readers to be open-minded and humble, and to approach conversations with a willingness to learn.
10. Be Precise in your speech. Peterson argues that clear and precise language can help people better understand each other and avoid misunderstandings.
11. Do not bother children when they are skateboarding. Peterson uses this rule as a metaphor for allowing people to pursue their passions and interests without interference.
12. Pet a Cat when you encounter one on the street. Peterson argues that small acts of kindness and compassion, such as petting a stray cat, can help people feel more connected to the world around them.

In summary, “12 Rules for Life” offers practical advice for living a more meaningful and fulfilling life, based on principles such as self-responsibility, self-improvement, honesty, humility, and compassion. It encourages readers to focus on the things that truly matter in life, and to avoid getting bogged down in superficial pursuits.