Then he devised an ingenious treasure hunt to ensure only Sophie would find it.
Each had told Silas the exact same thing—that the keystone was ingeniously hidden at a precise location inside one of Paris’s ancient churches—the Eglise de Saint-Sulpice.
They claim the Grail legend—that of a chalice—is actually an ingeniously conceived allegory.
Working in concert with France’s King Philippe IV, the Pope devised an ingeniously planned sting operation to quash the Templars and seize their treasure, thus taking control of the secrets held over the Vatican.
"This is… ingenious," he whispered.
Teabing had displayed ingenious precision in formulating a plan that protected his innocence at every turn.
Ingeniously hidden… but present nonetheless.
Even so, the Teacher could not help but suspect that the solution would be ingeniously clean and simple—"a knight a pope interred."
Many great minds in history had invented cryptologic solutions to the challenge of data protection: Julius Caesar devised a code-writing scheme called the Caesar Box; Mary, Queen of Scots created a transposition cipher and sent secret communiqués from prison; and the brilliant Arab scientist Abu Yusuf Ismail al-Kindi protected his secrets with an ingeniously conceived polyalphabetic substitution cipher.
There are no more uses of "ingenious" in the book.
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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.