BEIJING – Ming Zhaung is never without a place to sleep, food to eat, or ink for his brush. The Zen master of the Bailin Temple in Hebei Province is constantly cared for by his devotees - now more than 1,000 students, most of whom started attending his lectures last summer. "I am always traveling to spread the Dharma," says Mr. Ming, who makes a circuit of homes and meeting places throughout China. "Everything is provided by my students." As China becomes more wealthy and worldly, it's also experiencing a growing interest in spirituality. Chinese are emerging with "more time...