Sentence examples for this is the cornerstone from inspiring English sources

This is the cornerstone of our bid.

"This is the cornerstone of the entire apparatus of classification, and if you cast doubt on this, you call into question many other issues of classification," Mr. Aftergood said Wednesday in explanation of the government's opposition to his efforts.

"This is the cornerstone of the house — the kitchen sink," Ms. Palmadottir said, pointing to an oversized teak basin from England in the state of the art kitchen, which has a custom-designed black stove from La Cornue.

Mrs Merkel suggested there was negotiating room: "Europe always aims to find a compromise and this is the cornerstone of Europe's success".

This is the cornerstone of American politics.

"This is the cornerstone of the African-American community.

This was the cornerstone of its policy, but now the company talks only of 'aspirations'aspirations

"This man is the cornerstone of music," he said.

This freedom is the cornerstone of British democracy.

This formula is the cornerstone of asset valuation theory.

This axiom is the cornerstone of the assimilation of probability theory to measure theory.