Born into slavery and badly treated as a young girl, Harriet Tubman (c. 1822–1913) found a shining ray of hope in the Bible stories her mother told. The account of Israel’s escape from slavery under Pharaoh showed her a God who desired freedom for His people.

Eventually Harriet slipped over the Maryland state line and out of slavery. She couldn’t remain content, however, knowing so many were still trapped in captivity. So she led more than a dozen rescue missions back into slave states, dismissing the personal danger. “I can’t die but once,” she said.

Harriet knew the truth of the statement:…