There is no doubt that the Heart Sutra is one of the most frequently used and recited text in the entire Mahayana Buddhist tradition, which still flourishes in Japan, Korea, Vietnam, Tibet, Mongolia, Bhutan, China, parts of India and Nepal, and, more recently, also in the Americas and Europe. Many people have said many different things about what the Heart Sutra is and what it is not, such as being the heart of wisdom, a statement of how things truly are, the key teaching of the Mahayana, a condensation of all the Prajnaparamita Sutras (the Buddha’s second turning of the wheel of dharma), or an explanation of emptiness in a nutshell.
The Heart Sutra is that it represents a very condensed contemplation manual. It is not just something to be read or recited, but the intention is to contemplate its meaning in as detailed a way as possible. Since it is the Heart Sutra, it conveys the heart essence of what is called prajnaparamita, the “perfection of wisdom or insight
Without developing a soft heart