There was an ancient Roman ...

There was an ancient Roman lawyer, of great fame in the history of Roman jurisprudence, whom they called Cui Bono, from his having first introduced into judicial proceedings the argument, \
There was an ancient Roman lawyer, of great fame in the history of Roman jurisprudence, whom they called Cui Bono, from his having first introduced into judicial proceedings the argument, "What end or object could the party have had in the act with which he is accused.
 Edmund Burke

Quotes from the same author

But what is liberty without wisdom, and without virtue? It is the greatest of all possible evils; for it is folly, vice, and madness, without tuition or restraint.
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 Edmund Burke
Nobody made a greater mistake than he who did nothing because he could do only a little.
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 Edmund Burke
The people never give up their liberties but under some delusion.
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 Edmund Burke
But the age of chivalry is gone. That of sophisters, economists, and calculators has succeeded; and the glory of Europe is extinguished forever.
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 Edmund Burke
Early and provident fear is the mother of safety.
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 Edmund Burke