“What is the purpose of study?” the rabbi had asked. She’d said, “That the spirit be clothed in reason, which is more warming than ignorance.” The rabbi had corrected, gently, “Yet the text we studied said knowledge, Ester, not reason.” And she’d countered, “But reason is more warming, for it seeds knowledge. But knowledge can grow nothing outside itself.” The rabbi had smiled then, though with a furrowed brow. “You have a good mind,” he’d said after a moment.”