It was a humbling experience.

Meaning

An experience that makes one feel less arrogant or self-important.

Examples

• John: How did the project go?
• Alice: It was challenging, but ultimately rewarding. <b>It was a humbling experience.</b>
• John: In what way?
• Alice: It taught me a lot about teamwork and my limitations. <b>It was a humbling experience.</b>