What does it mean that the Buddha in Jiuhua Mountain is the heart?

Have a Buddha in your heart. The Buddha in Jiuhua Mountain means that there is a Buddha in it, so no matter where you look, it is a pure land in the heart of the Buddha, and you can practice everywhere. Here, Jiuhua Mountain, a famous mountain in Anhui, is used as a metaphor for the tranquility, purity and sacredness of people's hearts. "That is" means that the present is the present. You don't have to abandon anything or place, just keep a pious heart to achieve the purpose of practice.