You can tell a lot from someone’s eyes.

Meaning of the quote

You can learn a lot about a person just by looking into their eyes. People's eyes can reveal their emotions, thoughts, and even their personality. The way someone's eyes look and move can give you clues about how they are feeling or what they are thinking. Their eyes can show if they are happy, sad, nervous, or confident. Paying attention to someone's eyes can help you understand them better.