In this book, the Author has mentioned all his life experiences, learnings, and mistakes which will work as a reminder for you.
So whenever you feel stuck somewhere in your life or phase, you can read this. Although the author also mentioned that this book is all about basic reminders which we all know but forget so that you don't get lose yourself in your journey! Open any random page, read, and remind yourself.
The way of expressing could be more better so people can remember your mistakes .as a solution of their problems