what do I know

Meaning

what do I know?

(rhetorical question) Implies that a statement is based on a guess or assumption rather than on knowledge or evidence.
Maybe girl grasshoppers find long legs attractive in boy grasshoppers, but what do I know?

Source: en.wiktionary.org

Examples

What do I know of man's destiny? I could tell you more about radishes. Samuel Beckett

What do I know of cultured ways, the gilt, the craft and the lie? I, who was born in a naked land and bred in the open sky. The subtle tongue, the sophist guile, they fail when the broadswords sing; Rush in and die, dogs-I was a man before I was a king. Robert E. Howard

What do I know about God and the purpose of life? I know that this world exists. Ludwig Wittgenstein

I write about sex, not love. What do I know about love? Sarah Jessica Parker

What do I know about sex? I'm a married man. Tom Clancy

We are as forlorn as children lost in the woods. When you stand in front of me and look at me, what do you know of the griefs that are in me and what do I know of yours? Franz Kafka

Words in the phrase

what do I know

Close letter words and terms

what did your last slave die of what distinct one what distinct ones What do you know What Do You Mean What Do You Say