អង្គុយលើចង្អេរ លើកខ្លួនឯង។

“Sitting in the winnowing basket, still he lifts himself up.”

A mocking image of self-praise — boasting about oneself while in a lowly position achieves nothing.

— Traditional Khmer Wisdom, Cambodia

Source: Traditional Khmer proverb (សុភាសិត), public-domain oral tradition