The proof of the pudding is in the eating

Cultural  

1. Actual use is the best test. This saying appears in Don Quixote, by Miguel de Cervantes.

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Example Sentences

"The critical sign of seriousness is complete Zambia, complete Chad, complete Ethiopia - it is the very old saying: the proof of the pudding is in the eating."

From Reuters

But, she adds, “the proof of the pudding is in the eating.”

From Scientific American

The proof of the pudding is in the eating, though, and until Google actually starts updating it iOS apps over the coming years, we won’t really know how it plans to marry the two design approaches.

From The Verge

Instead, he offers a scrappy pragmatism, as in the phrase he repeated abroad: “The proof of the pudding is in the eating.”

From Washington Post

“The president was very clear yesterday that the proof of the pudding is in the eating,” national security adviser Jake Sullivan said Thursday.

From Seattle Times