Books help you understand yourself.

Meaning: This means that books can provide you with insights into your own thoughts, feelings, and motivations. It's like saying, Books can help you learn more about who you are.

Choice of Words: Help means to make it easier for someone to do something. Understand means to know or comprehend something. Yourself is a person's own identity or individuality. When you put them together, "Books help you understand yourself" means that books can provide you with insights into your own thoughts, feelings, and motivations.

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