I came about my discovery honestly, with diligent research and a little help from the United States government.

Wherefore they needs must make diligent research and find out who the man ever might be.

He explained about the lessons of diligent research and not committing oneself to paper that Strange was to learn.

I am grateful to the Economic Secretary for his diligent research in producing those figures.

Thanks to the diligent research of friends and colleagues, we have pushed this back to 1973 with frequent cites thereafter.

Marina, your diligent research of quotes that mention the word 'daybreak' has really paid dividends!

It is anybody's guess what diligent research could turn up.

There is evidence of diligent research into National Hunt racing.

- have you in your diligent research come upon the name of Nenthall?

Other hoaxes were revealed rather quickly by the perpetrators or exposed after diligent research.