Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Dug
He now dug into the poor clergyman’s heart, like a miner searching for gold; or, rather, like a sexton delving into a grave, possibly in quest of a jewel that had been buried on the dead man’s bosom, but likely to find nothing save mortality and corruption.
—Nathaniel Hawthorne