free lunch

Noun

Meaning

something acquired without effort or payment or obligation

Source: WordNet

gift

There's no such thing as a free lunch. Milton Friedman

The recent developments in cosmology strongly suggest that the universe may be the ultimate free lunch. Alan Guth

The free lunch is the essence of modern liberalism. Charles Krauthammer

We must explain the truth: There is no free lunch. Grace Napolitano

There's no such thing as a free lunch. English Proverb

There ain't no such thing as a free lunch. American Proverb