On the strength of these profound views, he in the most ingenious manner takes infinite pains to counterplot when there is no plot, and plays the deepest games of chess without any adversary.
The possibility of what is called spontaneous combustion has been denied since the death of Mr. Krook; and my good friend Mr. Lewes (quite mistaken, as he soon found, in supposing the thing to have been abandoned by all authorities) published some ingenious letters to me at the time when that event was chronicled, arguing that spontaneous combustion could not possibly be.
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It was an ingenious solution to the problem—as reliable as it was easy.
The first person to put wheels on a suitcase had an ingenious idea.