It's an ingenious theory, but it ignores some common-sense truths.

A much more ingenious theory, however, had been published in America three years before Warren's book.

It said, "An ingenious theory, Lioren, and, I think, very close to the truth.

In the novel he advances an ingenious theory about who might have been responsible.

A more ingenious theory claims that the stripes operate as a form of visual bonding between members of each herd.

He is not, as in Mrs. Pott's ingenious theory, making notes of novelties to be introduced through his plays.

"Well," said michel, "that is an ingenious theory!"

Nature's secrets can only be revealed with the aid of ingenious and penetrating theories.

Such schemes require adequate data-gathering, otherwise we will continue to hear ingenious theories unsubstantiated by facts.

Even Dr. Pym, who is a very factory of ingenious theories, could find no other theory to cover the case.