Heart Sutra is the outline of Diamond Sutra, and Diamond Sutra is the outline of Prajna Sutra. The heart meridian is exactly 260 words, and 18 words are not.

The Heart Sutra says: Without suffering, you get the Tao; without wisdom, you get nothing.

The Diamond Sutra says: Everything is like a dream.

Prajnaparamita says: all laws have nothing, and after all, they have nothing.

There is no amitabha in the south!